AM8A

Ameritec AM8a User Manual

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Page 1

MODEL AM8a

PCM/VF CALL ANALYZER

INSTRUCTION MANUAL

Page 2

Model AM8a

PCM/VF CALL ANALYZER

INSTRUCTION MANUAL

February 10, 2000

Technical Data Subject to

Change without Notice

Page 3

AM8a Instruction Manual (18-0037) CAUTION/REVISIONS

When using the padded carrying case for the AM8a (P/N 87-0070C), DO NOT PLACE the power cord around the side of the AM8a in the manner demonstrated in Figure 1.

Instead, be certain to WIND THE CORD UNDER THE CASING in the area between the feet, as shown in Figure

2. Failure to follow this procedure could cause deterioration of the cord and increase the possibility of electric

shock.

AM8a

(Bottom of Casing)

AM8a

(Top of Casing)

Rear Panel

Bracket

Figure 1 — WRONG Figure 2 — CORRECT

Record of Revisions

December 1991 Original Issue. February 1992 General data revision.

August 1992 Software upgrade. General format change and reprint. January 1993 General data revision. May 1993 Changed listing fonts. Reformatted. Corrected RX connections. March 1994 General corrections and additions. Added Test Procedure Guide. October 1994 Logo change. Test Procedure Guide removed. May 1995 Added Warranty, Calibration, and Repair info.

August 1996 Added E-Mail Address to logos. K December 2, 1999 Changed GUARDms value for DTMF/MF ANALYZE 3. L February 10, 2000 Reformatted entire manual and added MF(R1) note.

December 2, 1999 0037-TPG.L_18

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AM8a Instruction Manual (18-0037) Table of Contents

Table of Contents

1. FRONT PANEL OPERATION....................................................................................................1-1

1.1 FRONT PANEL PROGRAMMING METHODS....................................................................1-1

1.1.1 SHIFT Key.....................................................................................................................1-1

1.1.2 Arrow Keys....................................................................................................................1-2

1.2 EVENTS AND METER KEYS AND DISPLAY..................................................................... 1-3

1.2.1 EVENTS ([SHIFT][1]) Key.............................................................................................1-3

1.2.2 Events Display Character Set.......................................................................................1-4

1.2.3 Dialed Digits.................................................................................................................. 1-7

1.2.4 METER ([SHIFT][2]) Key..............................................................................................1-7

1.3 SETUP AREA.......................................................................................................................1-8

1.3.1 CONFIG’N ([SHIFT][5]) Key..........................................................................................1-8

1.3.2 EMULATE ([SHIFT][6]) Key..........................................................................................1-8

1.3.3 ANALYZE ([SHIFT][7]) Key...........................................................................................1-8

1.3.4 AUTO DIAL ([SHIFT][8]) Key........................................................................................1-8

1.4 CONTROL ON/OFF KEYS...................................................................................................1-9

1.4.1 INPUT ([SHIFT][*, KP]) Key..........................................................................................1-9

1.4.2 TIMS ([SHIFT][#, ST]) Key............................................................................................ 1-9

1.4.3 TALK ([SHIFT][

1.4.4 AUTO ([SHIFT][

1.5 MENU/DATA CONTROL KEYS.........................................................................................1-10

1.5.1 FREEZE ([SHIFT][B]) Key..........................................................................................1-10

1.5.2 PRINT ([SHIFT][C]) Key..............................................................................................1-11

1.5.3 CANCEL ([SHIFT][D] Key...........................................................................................1-11

1.6 SIGNALING KEYS.............................................................................................................1-11

1.6.1 SEIZE Key...................................................................................................................1-11

1.6.2 START Key.................................................................................................................1-12

1.6.3 RING Key....................................................................................................................1-12

1.6.4 REV Key......................................................................................................................1-12

1.6.5 SEND TONE ([SHIFT][RING]) Key............................................................................. 1-12

VALUE

]) Key.................................................................................1-10

]) Key................................................................................1-10

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Table of Contents (18-0037) AM8a Instruction Manual

1.7 DATA ENTRY KEYS FOR SIGNALING.............................................................................1-13

1.7.1 WAIT DT ([SHIFT][SHIFT][1] Key...............................................................................1-13

1.7.2 WAIT WINK ([SHIFT][SHIFT][2] Key..........................................................................1-13

1.7.3 WAIT ([SHIFT][SHIFT][3] Key.....................................................................................1-13

1.7.4 FLASH ([SHIFT][SHIFT][4] Key..................................................................................1-13

1.7.5 UNBALANCE ([SHIFT][SHIFT][5] Key........................................................................1-13

1.7.6 TOGGLE DIAL ([SHIFT][SHIFT][6] Key......................................................................1-13

1.7.7 BLANK ([SHIFT][SHIFT][7] Key..................................................................................1-13

1.8 SIGNALING STATUS LEDs...............................................................................................1-14

1.9 STORE SETUP..................................................................................................................1-15

1.10 RECALL SETUPS............................................................................................................1-16

1.10.1 RECALL Setup Parameters......................................................................................1-16

1.10.2 RECALL Auto Dial Sequence...................................................................................1-16

1.11 SPEAKERPHONE/AUDIO MONITOR.............................................................................1-16

1.11.1 Speakerphone in talk mode......................................................................................1-16

1.11.2 Handset.....................................................................................................................1-17

1.11.3 Audio Monitoring.......................................................................................................1-17

2. CONFIGURATION PARAMETERS...........................................................................................2-1

2.1 MODE CONFIG....................................................................................................................2-1

2.1.1 IMITATE........................................................................................................................ 2-1

2.1.2 MODE............................................................................................................................2-1

2.2 CIRCUIT CONFIG................................................................................................................2-2

2.2.1 ANALOG IMPEDANCE.................................................................................................2-2

2.2.2 ANALOG/PCM..............................................................................................................2-2

2.3 PCM CONFIG 1 and PCM CONFIG 2.................................................................................2-3

2.3.1 INPUT............................................................................................................................2-3

2.3.2 FRAMING...................................................................................................................... 2-4

2.3.3 ZERO SUP....................................................................................................................2-4

2.3.4 CHAN............................................................................................................................2-5

2.3.5 OFF HK a/b or ON HK a/b............................................................................................2-5

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AM8a Instruction Manual (18-0037) Table of Contents

2.4 TRUNK CONFIG..................................................................................................................2-5

2.4.1 TRUNK TYPE...............................................................................................................2-6

2.4.2 SLC® TYPE..................................................................................................................2-6

2.4.3 E & M TYPE.................................................................................................................. 2-6

2.5 DISPLAY CONFIG 1 and CONFIG 2................................................................................... 2-7

2.5.1 MODE............................................................................................................................2-7

2.5.2 DIGit DETection............................................................................................................2-8

2.5.3 SLC® MSG...................................................................................................................2-8

2.5.4 SLC® Activity Message................................................................................................2-9

2.5.5 T/t Mask (single-tone event selection)..........................................................................2-9

2.6 RS232 CONFIG....................................................................................................................2-9

2.6.1 BAUD RATE..................................................................................................................2-9

2.6.2 PARITY.......................................................................................................................2-10

2.6.3 CR DELAYsec.............................................................................................................2-10

2.7 SECURITY CONFIG..........................................................................................................2-10

2.7.1 PASSWORD...............................................................................................................2-10

2.7.2 SETUP PROTECT......................................................................................................2-10

2.8 PRINT CONFIG..................................................................................................................2-11

2.8.1 off................................................................................................................................2-11

2.8.2 all calls, events only....................................................................................................2-11

2.8.3 all calls, events & details............................................................................................. 2-11

2.8.4 flawed calls, events only.............................................................................................2-11

2.8.5 flawed calls, events & details......................................................................................2-11

2.9 CLOCK CONFIG................................................................................................................2-12

2.10 AM8a CONFIG.................................................................................................................2-12

3. EMULATE PARAMETERS........................................................................................................3-1

3.1 LOOP EMULATE..................................................................................................................3-1

3.1.1 VOLTAGE.....................................................................................................................3-1

3.1.2 LENGTH........................................................................................................................ 3-1

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Table of Contents (18-0037) AM8a Instruction Manual

3.2 TERMINATION EMULATE...................................................................................................3-1

3.2.1 2.16uf............................................................................................................................3-1

3.2.2 DC HOLD...................................................................................................................... 3-2

3.3 DIALING EMULATE.............................................................................................................3-2

3.3.1 LOOP TYPE..................................................................................................................3-2

3.3.2 START SIGNAL............................................................................................................3-2

3.4 PULSE EMULATE................................................................................................................ 3-2

3.4.1 SPEEDpps....................................................................................................................3-2

3.4.2 BREAK%....................................................................................................................... 3-2

3.4.3 INTRDIGITms...............................................................................................................3-2

3.5 DTMF/MF EMULATE 1........................................................................................................3-3

3.5.1 HI:dBm/hz%.................................................................................................................. 3-3

3.5.2 LO:dBm/hz%.................................................................................................................3-3

3.6 DTMF/MF EMULATE 2........................................................................................................3-3

3.6.1 ON/OFFms.................................................................................................................... 3-3

3.7 SEND TONE EMULATE.......................................................................................................3-4

3.7.1 LEVELdBm....................................................................................................................3-4

3.7.2 FREQUENCYhz............................................................................................................3-4

3.8 DIAL TONE EMULATE 1......................................................................................................3-4

3.9 DIAL TONE EMULATE 2......................................................................................................3-4

3.9.1 T1:dBm/hz..................................................................................................................... 3-5

3.9.2 T2:dBm/hz..................................................................................................................... 3-5

3.9.3 DL SNDms....................................................................................................................3-5

3.10 RECALL EMULATE............................................................................................................3-5

3.10.1 HOOKFLASHms......................................................................................................... 3-5

3.10.2 LINE UNBALms..........................................................................................................3-5

3.11 RINGING EMULATE 1....................................................................................................... 3-6

3.11.1 ON/OFFms.................................................................................................................. 3-6

3.12 RINGING EMULATE 2....................................................................................................... 3-6

3.12.1 VOLTAGEvrms...........................................................................................................3-6

3.12.2 FREQUENCYhz..........................................................................................................3-6

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AM8a Instruction Manual (18-0037) Table of Contents

3.13 START TIME EMULATE.................................................................................................... 3-7

3.13.1 DLY:BGN/ENDms....................................................................................................... 3-7

3.13.2 WINK:BGN/DURms....................................................................................................3-7

3.14 SF EMULATE..................................................................................................................... 3-7

3.14.1 LEVEL.........................................................................................................................3-7

3.14.2 FREQ+%hz.................................................................................................................3-7

4. ANALYSIS PARAMETERS........................................................................................................4-1

4.1 HOOK ANALYZE..................................................................................................................4-1

4.1.1 FLASHms(min)..............................................................................................................4-1

4.1.2 DISCONNECTms(min).................................................................................................4-1

4.2 STRT SIG (START SIGNAL) ANALYZE: EXPECTED TYPE..............................................4-2

4.2.1 dialtone/wink.................................................................................................................4-2

4.2.2 dialtone/delay................................................................................................................4-2

4.2.3 dialtone/…..................................................................................................................... 4-2

4.3 DT STRT (DIALTONE START) ANALYZE: DIALTONE RCVDms (min/max).....................4-2

4.4 DLY STRT (DELAY START) ANALYZE..............................................................................4-3

4.4.1 STRT BGNms(min/max)...............................................................................................4-3

4.4.2 ENDms(min)..................................................................................................................4-3

4.5 WINK STRT..........................................................................................................................4-3

4.5.1 WINK BGNms(min).......................................................................................................4-3

4.5.2 DURms(min/max)..........................................................................................................4-3

4.6 PULSE ANALYZE 1.............................................................................................................4-4

4.6.1 SPEEDpps(min/max).................................................................................................... 4-4

4.6.2 BREAK%.......................................................................................................................4-4

4.7 PULSE ANALYZE 2.............................................................................................................4-4

4.7.1 INTERDIGITms(min)..................................................................................................... 4-4

4.8 DTMF/MF ANALYZE 1.........................................................................................................4-5

4.8.1 LO BANDdB(min/max)..................................................................................................4-5

4.8.2 HI BANDdB...................................................................................................................4-5

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4.9 DTMF/MF ANALYZE 2.........................................................................................................4-5

4.9.1 FREQ%(max)................................................................................................................4-6

4.9.2 TWISTdB(min/max).......................................................................................................4-6

4.9.3 DTMF Frequencies.......................................................................................................4-6

4.9.4 MF(R1) Frequencies..................................................................................................... 4-7

4.10 DTMF/MF ANALYZE 3.......................................................................................................4-8

4.10.1 TONE ON/OFFms(min)..............................................................................................4-8

4.10.2 GUARDms...................................................................................................................4-8

4.11 THRESHOLD ANALYZE....................................................................................................4-8

4.11.1 TONEdBm(min)...........................................................................................................4-8

4.11.2 OFF HKvdc(min)......................................................................................................... 4-9

4.11.3 Procedure to Set OFF HKvdc(min) Threshold............................................................4-9

5. AUTO AND MANUAL DIALING ................................................................................................ 5-1

5.1 STORE AUTODIAL SEQUENCE......................................................................................... 5-1

5.2 SELECT AND USE AUTODIAL SEQUENCE......................................................................5-2

5.3 MANUAL DIALING...............................................................................................................5-2

6. METER DISPLAY........................................................................................................................6-1

6.1 MEASURE/SCALE MENU...................................................................................................6-1

6.2 MEASURE DISPLAY (MAKING MEASUREMENTS)..........................................................6-1

6.3 METER SELECTIONS AND CONNECTIONS.....................................................................6-2

6.4 LOOP START, GROUND START, DID – ANALOG MEASURE......................................... 6-7

6.4.1 V t-r dc or ac..................................................................................................................6-7

6.4.2 V cm dc or ac................................................................................................................6-7

6.4.3 V t-g dc or ac.................................................................................................................6-7

6.4.4 V r-g dc or ac.................................................................................................................6-7

6.4.5 It(mA) dc........................................................................................................................ 6-7

6.4.6 Tone..............................................................................................................................6-8

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AM8a Instruction Manual (18-0037) Table of Contents

6.5 E & M and SF – ANALOG MEASURE.................................................................................6-9

6.5.1 TX Vt-r or RX Vt-r, dc or ac........................................................................................... 6-9

6.5.2 TX Vcm or RX Vcm, dc or ac........................................................................................6-9

6.5.3 Ve or Vm, dc or ac........................................................................................................6-9

6.5.4 Vsb or Vsg, dc or ac....................................................................................................6-10

6.5.5 TX Tone or RX Tone...................................................................................................6-10

6.6 E & M and SF – ANALOG MEASURE...............................................................................6-11

6.6.1 TX1 Vcm or TX2 Vcm, dc or ac..................................................................................6-11

6.6.2 RX1 Vcm or RX2 Vcm, dc or ac.................................................................................6-11

6.6.3 TX1 Tone or TX2 Tone...............................................................................................6-11

6.6.4 RX1 Tone or RX2 Tone..............................................................................................6-12

6.6.5 RX1 dBdsx or RX2 dBdsx...........................................................................................6-12

6.6.6 RX1 dBdsx or RX2 dBdsx in Emulation Mode............................................................6-12

6.6.7 RX1 dBdsx or RX2 dBdsx in Monitor Mode................................................................6-12

6.7 NOISE MEASURE..............................................................................................................6-12

6.8 PCM1 and PCM 2 BIPOLAR VIOLATION (COUNT AND STATUS) MEASURE..............6-13

6.8.1 BPV.............................................................................................................................6-13

6.8.2 FERR...........................................................................................................................6-14

6.8.3 CRC.............................................................................................................................6-14

6.8.4 SLIPS..........................................................................................................................6-14

6.8.5 YELLOW.....................................................................................................................6-14

6.8.6 BLUE...........................................................................................................................6-14

6.8.7 STATUS BLUE............................................................................................................6-14

6.8.8 STATUS YELLOW......................................................................................................6-14

6.9 PCM 1 OR PCM 2 FRAME SYNC MEASURE..................................................................6-14

6.10 PCM1 and PCM 2 TX OR RX A/B MEASURE................................................................6-15

6.10.1 T1 Time-Slot to Voice Channel Assignment.............................................................6-15

6.10.2 SLC®96 Mode I Time-Slot to Voice Channel Assignment.......................................6-15

6.10.3 SLC®96 Mode II Time-Slot to Voice Channel Assignment......................................6-15

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Table of Contents (18-0037) AM8a Instruction Manual

6.11 SLC®96 MODE I OR II MESSAGES...............................................................................6-17

6.11.1 ALARM TX or RX......................................................................................................6-17

6.11.2 PROTECTION TX or RX...........................................................................................6-18

6.11.3 MAINTENANCE TX or RX........................................................................................6-18

6.11.4 SLC®96 II Concentrator Field Messages.................................................................6-19

7. RS232 ENTRIES AND PRINTOUTS..........................................................................................7-1

7.1 RS232 COMMAND DESCRIPTION.....................................................................................7-1

7.1.1 Terminal Commands.....................................................................................................7-2

7.1.2 Printer Commands........................................................................................................ 7-2

7.1.3 Setup Menu Commands for CONFIG, EMULATE, and ANALYZE..............................7-2

7.1.3.1 Display Menu.........................................................................................................7-3

7.1.3.2 Change Parameter................................................................................................ 7-3

7.1.3.3 Print Menu.............................................................................................................7-3

7.1.4 AUTO DIAL Setup Commands..................................................................................... 7-3

7.1.5 ON-OFF (Control Toggle) Commands..........................................................................7-4

7.1.6 CALL INITIATE (Signaling) Commands.......................................................................7-4

7.1.7 EVENTS DISPLAY Commands....................................................................................7-4

7.1.8 METER DISPLAY Commands...................................................................................... 7-4

7.2 PRINTOUTS.......................................................................................................................7-16

7.2.1 off................................................................................................................................7-16

7.2.2 all calls, events only....................................................................................................7-16

7.2.3 all calls, events & details............................................................................................. 7-17

7.2.4 flawed calls, events only.............................................................................................7-17

7.2.5 flawed calls, events & details......................................................................................7-17

7.2.6 Manual Short Print......................................................................................................7-18

7.2.7 Manual Long Print.......................................................................................................7-19

7.3 RS232 REAR-PANEL CONNECTIONS.............................................................................7-22

7.3.1 Printer Cable (48-0084) Connection...........................................................................7-22

7.3.2 Chaining Cable (48-0083) Connection.......................................................................7-23

7.3.3 Chained Unit Addressing Command..........................................................................7-23

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AM8a Instruction Manual (18-0037) Table of Contents

8. AM8a TECHNICAL SPECIFICATIONS..................................................................................... 8-1

9. WARRANTY, SERVICE, AND CALIBRATION......................................................................... 9-1

9.1 WARRANTY......................................................................................................................... 9-1

9.2 SERVICE POLICY................................................................................................................9-1

9.3 CALIBRATION POLICY.......................................................................................................9-1

9.4 RETURN OF UNIT...............................................................................................................9-2

A. APPENDIX A: METER DISPLAY.............................................................................................A-1

A.1 PCM Operations and Data Flow..........................................................................................A-1

A.1.1 MODE CONFIG Menu Settings....................................................................................A-1

A.1.2 CIRCUIT CONFIG Menu Settings................................................................................A-6

A.1.3 PCM CONFIG 1 and CONFIG 2 Menu Settings..........................................................A-7

A.1.4 TRUNK CONFIG Menu Settings..................................................................................A-9

A.1.5 DISPLAY CONFIG Menu Settings...............................................................................A-9

A.1.6 EMULATE Menu Settings.............................................................................................A-9

A.1.7 ANALYZE Menus..........................................................................................................A-9

A.2 PCM Connection Diagrams...............................................................................................A-10

A.2.1 Monitoring Connections..............................................................................................A-10

A.2.2 ANALYZE Menus........................................................................................................A-10

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AM8a Instruction Manual (18-0037) Table of Contents

List of Figures

Figure 1-1. AM8a Front Panel.........................................................................................................1-1

Figure 1-2. AM8a Events Display...................................................................................................1-4

Figure 1-3. Signaling Status LEDs................................................................................................1-14

Figure 6-1. Cables for AM8a Front Panel Test/Meter Connections...............................................6-3

Figure 6-2. Loop/Ground Start and DID Analog Test/Meter Front Panel Connections..................6-4

Figure 6-3. E & M and SF Test/Meter Front Panel Connections....................................................6-5

Figure 6-4. PCM T1/SLC®96 Test/Meter Front Panel Connections.............................................. 6-6

Figure 6-5. SLC®96 Mode 1 Channel Number to Time Slot Assignments..................................6-16

Figure 6-6. SLC®96 Alarm Conditions Meter Display..................................................................6-17

Figure 6-7. SLC®96 Alarm Conditions Meter Display..................................................................6-18

Figure 6-8. SLC®96 Alarm Conditions Meter Display..................................................................6-18

Figure 7-1. Event-only Printout.....................................................................................................7-16

Figure 7-2. Events & Details Printout (Monitor Mode)..................................................................7-17

Figure 7-3. Events & Details Printout (Emulate Mode).................................................................7-18

Figure 7-4. Manual Short Print (Meter Display Example).............................................................7-18

Figure 7-5. Manual Short Print (EMULATE Analog Switch, Te, PCM Examples)........................7-19

Figure 7-6. Manual Long Print (Meter Display Example).............................................................7-20

Figure 7-7. Manual Long Print (Setup Example).......................................................................... 7-21

Figure 7-8. AM8a Rear Panel Connections..................................................................................7-24

Figure 7-9. RS232 Printer Cable..................................................................................................7-25

Figure 7-10. RS232 Chaining Cable.............................................................................................7-25

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Table of Contents (18-0037) AM8a Instruction Manual

Figure A-1. Monitor PCM Processing Diagram..............................................................................A-2

Figure A-2. Emulate PCM Processing Diagram.............................................................................A-3

Figure A-3. Rpt (Repeat) 1 to 2 PCM Processing Diagram............................................................A-4

Figure A-4. Rpt (Repeat) 2 to 1 PCM Processing Diagram............................................................A-5

Figure A-5. Monitor PCM Connection Points..................................................................................A-6

Figure A-6. Emulate and Repeat (Drop and Insert) PCM Connections.........................................A-7

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AM8a Instruction Manual (18-0037) Table of Contents

List of Tables

Table 7-1. RS232 Terminal Commands......................................................................................... 7-4

Table 7-2. RS232 Printing Commands...........................................................................................7-5

Table 7-3. RS232 CONFIGuration Menu Commands....................................................................7-6

Table 7-4. RS232 EMULATE Menu Commands............................................................................7-9

Table 7-5. RS232 ANALYZE Menu Commands...........................................................................7-10

Table 7-6. RS232 Auto Dial Setup Commands............................................................................7-12

Table 7-7. RS232 On-Off (Control Toggle) Commands...............................................................7-13

Table 7-8. RS232 Call Initiate (Signaling) Commands.................................................................7-13

Table 7-9. RS232 Events Display Commands.............................................................................7-14

Table 7-10. RS232 Meter Display Commands (Analog Voltage Measurements)........................7-14

Table 7-11. RS232 Meter Display Commands (Meter Selections)..............................................7-14

Table 7-12. RS232 Meter Display Commands (PCM Measurements)........................................7-15

Table 7-13. RS232 Meter Display Commands (Noise Measurements).......................................7-16

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Page 18

AM8a Instruction Manual (18-0037) Front Panel Operation

1. FRONT PANEL OPERATION

1.1 FRONT PANEL PROGRAMMING METHODS

The following sub-sections describe the basic methods for programming the AM8a through the front panel. Refer to Sections 2 through 6 for details on the parameters which may be entered. Refer to Section 7 for the RS232 Commands that provide the means to duplicate front panel operations from a terminal. (Figures 7-3 through 7-5 may also be used as a quickreference to CONFIGURE, EMULATE, and ANALYZE menu parameter descriptions.)

Ameritec

PCM/VF CALL ANALYZER

>HX9x155441XxXxHTthh

Model AM8a

POWER

11:25:08 10-19-94 Emulate Switch

DISPLAY

EVENTS

METER

1 2 3

WAIT WINK

WAIT DT

ON / OFF

INPUT

TIMS

+ / -

WAIT

TALK

CONFIG'N

FLASH

AUTO

VALUE

SETUP

EMULATE

5 6 7

UNBAL

TOGGLE

DIAL

FREEZE

A B C

FIELD

ANALYZE

BLANK

AUTO DIAL

CANCEL

STORE

RECALL

SHIFT

CAUTION: 10 VOLTS MAX

TX RX

PCM2

SEIZE

START

TX/2W

PCM1

TRUNK INPUTS

SEND TONE

RING

REV

E & M

TRUNK /SLC

TYPE

E&M/SLC

LOOP/DID

GND ST/SF

PCM2

E/M

SB/SG

TERMINAL/LINE

PCM1

LOOP

EMULATE

OFFHOOK

R-GND

a b

T/R

SWITCH

T+R– T–R+

TIMS

VOLUME

TALK

HANDSET

EMULATE

T-GND

RINGING

a b c d

TX/2W

Figure 1-1. AM8a Front Panel

1.1.1 The SHIFT Key: Some keys may have as many as three separate functions. The SHIFT

key (see figure 1-1) controls access to each one of these.

• The No-Shift (or "Data Entry") functions for each key are either listed on the

center of the key itself (e.g. 1 through 0, *, #, A, B, C, D), or appear below the key in black type (• (decimal point), +/- (plus or minus sign toggle), VALUE, and MENU). These keys are usually for data entry, dialed number sequence entry, or for scrolling through fields and parameters on the LCD display. both LEDs above the SHIFT key must be off.

• Pressing the SHIFT Key once causes the green LED above it to come on and

activates the functions described in green type above the Data Entry keys.

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Front Panel Operation (18-0037) AM8a Instruction Manual

• Pressing the SHIFT key twice causes the red LED above it to come on, signifying

that functions described in red type beneath the Data Entry keys are available.

• Pressing the SHIFT key a third time returns to the No-Shift functions. Example: To select the CONFIG'N (Configuration) Setup mode:

9. Press the SHIFT Key until green light comes on.

10. Press CONFG'N [5] in the SETUP area of the Front Panel. The green LED over the key is then lighted for as long as CONFIG'N is in use; but, the green LED over the SHIFT Key goes OFF and the [5] key is free for data entry.

11. Configuration parameters can then be accessed and revised via menus

displayed on the LCD display.

1.1.2 Arrow Keys: The SETUP displays that appear on power-up represent the current values

of the various parameters. To input new values:

• All menu screens progress from one set of parameters to another within the CONFIG'N, ANALYZE, or EMULATE SETUP parameters. To change menus, press the

descriptions in this manual are sequenced in accordance with the pressing of the

• After selecting a desired menu, move left or right to a particular parameter field by pressing the functions).

keys (also labeled "C" and "D" for data entry functions). The menu

key.

FIELD

keys (also labeled "A" and "B" for data entry

• Once in the field, use the

VALUE

keys (also labeled for ON/OFF, "TALK", and

"AUTO") to scroll through the possibilities. After you have located your choice, you "enter" it into the system simply by moving to the next field (step 2) or by changing menus (step 1).

• Numerical data may be directly keyed in or you may use the

VALUE

keys to scroll to the desired value. The entry is made by moving to another field or menu. For most numeric values, direct key-in will cause leading zeroes to fill the field to the left. These digits are cleared when the next field is selected.

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• When the

FIELD

key is pressed while at the first field of a menu, the previous menu will be displayed and the data that was displayed will be entered (within the permitted range). Similarly, pressing the

FIELD

key at the last field will

display the next menu.

NOTE: The range of numerical values are listed under the Technical

Specifications (and in the figures that describe RS232 Commands in Section 7), and you cannot input data that exceeds the maximum of the range given. If you do key-in a larger (or smaller) number, the largest (or smallest) allowable value will be entered.

1.2 EVENTS AND METER KEYS AND DISPLAY

The EVENTS and METER keys in the DISPLAY area on the front panel are used to select test results and measured data. Sub-sections 1.2.1 through 1.2.4 describe the kinds of data provided by pressing these keys (the [SHIFT] key must first be pressed so that its green LED is lighted):

1.2.1 EVENTS ([SHIFT][1]) Key: This causes the Call Event characters to appear on the first

line of the display (Figure 1-2). The EVENTS LED will also begin flashing (unless FREEZE has been activated - see 1.5.1). Up to 40 characters may be displayed at one time, but the display may be scrolled with the characters.

FIELD

keys to display a total of 80

A flashing digit or event indicates that the event was generated from the Analog Switch ("far end" for PCM). A steady-state display indicates that the event was generated from the analog Te/Line ("near end" for PCM); see note under 1.2.2 for exceptions.

The second line of the Events Display gives a complete analysis of an event. Position the cursor on whatever character of the first line you choose by using the

FIELD

keys. The second line of the display immediately indicates the available data for that event.

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This character signifies a new call:

Wink

Off Hook

Dialed Digits

On Hook

Cursor

Decoded signaling

Steady

Character

Flashing

Character

Analog Terminal/Line (PCM near end) signaling Analog Switch (PCM far end) signaling

>HW2125551212W8189155441Hhh 00:02.163 T5 -06/0770 -06/1336 0059/0060

Digit Analysis (Digit selected from 1st line by using underline bar cursor)

NOTE: A flashing field in the 2nd line indicates a value that is outside of the range specified by the ANALYZE parameter

Elapsed Time from Off Hook

DTMF

Digit

Low-Band

Level/Frequency

High-Band

Level/Frequency

Tone Duration

Off-Time

Figure 1-2. AM8a Events Display

1.2.2 Events Display Character Set: A list of the possible characters which may be displayed

on the Events Display follows. Following each description is a sample of what the second line of the display would show if the character were selected for analysis.

• Upper-case characters represent the beginning of an event.

• Lower-case characters represent the end of an event.

• Flashing characters indicate the event originated from the switching (far end)

equipment.

• Non-flashing characters indicate the event originated from the Te/Line (near end)

equipment.

NOTE: Some non-flashing events such as Tones on a 2-wire circuit may have

originated from either the switch or the Term/line equipment. The direction of these events cannot be determined.

> indicates the beginning of a new call sequence. ">" will appear only at the first

position if the CONFIG DISPLAY:MODE parameter is set for "new call reset". More than one new call sequence (with its beginning ">" in some other position) is only possible if the DISPLAY:MODE parameter is set for "manual reset" or "scroll". The time and date of the event and setting from MODE:MODE parameter is shown on the second line when this character is selected.

15:00:15 02-28-92 Emulate (or Monitor) Switch (or Term/Line)

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0-9 dialed digits. (*, #, and A, B, C, or D may also be dialed digits; see 1.2.3.)

? means that the AM8a detected a dual-frequency tone that did not meet the

specifications to be either a Tone Dial Digit or a Call Progress Tone. These occur mostly on a voice line which has speech on it. Set the DIG DET parameter (see

2.5.2) to "narrow" or "limit" to eliminate the "?"s. If DIG DET is set to "wide", increasing the GUARD time parameter in the ANALYZE

setup (see 4.10.2) may help to reduce the number of "?"s encountered. Invalid events may also be dial pulses if there are more than 15 pulses.

00.05.847 T? -18/1161 -11/1646 1637/0025 00:07.247 P? 09.9 pps 52% 768 ms

NOTE: For SLC-96 II (Mode II) events, LDS means "Local Digital Switch",

and "RT" means Remote Terminal. For more information refer to 2.3.2,

2.5.3 and 2.5.4.

a is SLC®96 II Activity RT to LDS b is SLC®96 II Activity Update RT to LDS c is SLC®96 II Looping Test d is SLC®96 II Assignment Update Request RT to LDS e is SLC®96 II Idle/Trunk De-assignment update (E & M circuit) f is SLC®96 II No Alarm RT to LDS F indicates the AM8a received a hook flash.

00:03.215 Flash 489ms

H will appear when an "OFF HOOK" (seizure) has been detected. When "H" appears

as the first event, it signifies the beginning of that call sequence. All events which follow will have an occurrence time relative to the "H". An "H" which occurs later in the call sequence indicates a distant "OFF HOOK" (answer supervision).

00:00.000 Off Hook

h indicates the detection of an "ON HOOK".

00:01.385 On Hook

i is SLC®96 II Trunk Assignment LDS to RT j is SLC®96 II Assignment Update LDS to RT

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k is SLC®96 II Looping Test l is SLC®96 II Activity Update Request LDS to RT m is SLC®96 II Idle/Trunk De-assignment update (E & M circuit) n is SLC®96 II COT Trunk De-assignment P indicates the detection of reverse polarity on the line pair. This is used on Loop

circuits to indicate answer supervision. It will also indicate the detection of a Delay START SIGNAL if EXPECTED or a Wink if the Wink duration exceeds 999ms.

00:01.325 Supervision Begin

p appears after the polarity reversal has been removed. The analysis line will

display the time answer supervision was removed.

00:05.398 Supervision End

R appears when ringing is detected.

00:03.332 Ring Begin 101.2 v 20.5 Hz

r will appear when the ring voltage is removed.

00.05.430 Ring End

T appears when the AM8a detects a single tone.

00:10.209 Tone Begin

t will appear when the single tone is removed.

00:25.998 Tone End -13dBm 1004Hz

W will appear when a "WINK" is detected or generated.

00:00.355 Wink 250ms

X indicates the beginning of a Call Progress Tone. A call progress tone consists of a

dual tone detected which does not meet the frequency requirements of tone dialing. This includes Dialtone, Line busy, Reorder, and Ringback.

00:00.285 Call Progress Begin 00:00.316 Dial Tone Begin

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x signifies the end of the call progress tone. Selecting this for analysis will display

the Level and Frequency for each of the tones.

00:00.756 CP End -17/480 -16/620 00:00.501 DT End -13/350 -13/440

y is SLC®96 II Trunk De-assignment LDS to RT.

1.2.3 Dialed Digits (O - 9, *, #, A, B, C, D): Digits appear whenever a valid dialed digit is

detected. A digit is considered valid if it meets the following criteria:

• The level of a tone dial digit exceeds the Threshold programmed in the ANALYSIS

Setup menu.

• The Low and High band frequency components must be within + 3.5 % of the

nominal frequency for Tone Dial digits.

• The Speed is between 5 and 25pps and the % Break is between 40 and 85 % for

Pulse dialing.

• A KP digit must be received before any other MF digit will be analyzed.

• An ST, ST3P, STP, or STP2 digit (ST, A, B, or C key) must be received to end the

MF digit analysis.

The following are examples of digit events and details:

EVENT DETAIL

5 00:13.385 T5 -06/770 -06/1336 0059/0060 DTMF 1 00:05.325 M1 -07/700 -07/900 0070/0071 MF(R1) 2 00:04.603 P2 09.9pps 56% 699ms Pulse

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

1.2.4 METER ([SHIFT][2]) Key: When the METER key is pressed, measurements and test statistics are available for voltage, current and PCM evaluations, including phase relationships between two T-1 spans. Use the MENU and VALUE keys to select the Meter mode. Section 6 describes the meter functions.

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1.3 SETUP AREA

The Setup area on the front panel controls the programming of the AM8a unit for all test procedures. It is here that required parameters are set for configuration, emulation, analysis and auto dialing functions. Each of these areas are briefly described below, and specific information on all the parameters that are available in each Setup category is shown in Section 2, 3, 4, and 5.

1.3.1 CONFIG'N ([SHIFT][5]) Key: When selected, the menus identified by "CONFIG" are presented. All the parameters for basic configuring of the line can be set in this mode (software version is also shown). Settings include:

• Whether the AM8a is to be used as a switch (CO) or terminal/line.

• Which trunk type is being monitored or emulated.

• Time and date.

• RS232 baud rate, parity, and CR delay.

• Flags for SLC®96 display options.

• Manual or new-call display reset.

1.3.2 EMULATE ([SHIFT][6]) Key: When selected, the menus identified by "EMULATE" are presented. This mode allows access to parameters that control timing of AM8a generated events. Settings for voltage, frequency and timing are to be made here, as well as for impedance, ringing voltage, dial tone and dial pulse, recall (flash and unbalance), and tone dialing.

1.3.3 ANALYZE ([SHIFT][7]) Key: When selected, the menus identified by "ANALYZE" are selected. These parameters are used to instruct the AM8a on how to interpret events the events it encounters. It is also used to set thresholds for flagging and printing errors or flaws in a call sequence.

1.3.4 AUTO DIAL ([SHIFT][8]) Key: When selected, the dialed number display is presented. Stored dialing sequences which can be automatically recalled are set in this display. Up to 11 dialed sequences can be stored in Auto Dial. Each sequence can contain up to 60 characters. This display is shown in Section 5.

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1.4 CONTROL ON/OFF KEYS

Additional control of configuration on the AM8a is available through ON/OFF function keys on the lower left of the front panel. (See Figure 1-1.) The green LED indicates when the function is ON. The following descriptions review the specific configuration control provided:

1.4.1 INPUT ([SHIFT][*, KP]) Key: This key controls the AM8a connection to the selected line being emulated or monitored. Connections are described in Section 6 along with metering of circuits.

• ON: the test set has full access to the lines selected; this is the standard condition.

• OFF: all AM8a interfaces to the line jacks change to high impedance or open

circuits that will not interfere with the line under test.

NOTE: The OFF position is a built-in safety feature that prevents glitches during

any rearrangement of the external connections during AM8a configuration changes. In addition, if certain trunk configuration parameters are changed, INPUT is forced OFF.

1.4.2 TIMS ([SHIFT][#, ST]) Key: This key controls connection of a Transmission Impairment Measurement Set (a TIMS such as the Ameritec AM5XT) to test the transmission quality of the line. The TIMS is connected to the TIMS jacks on the front panel. The key provides a three-position toggle.

NOTE: For PCM1 or PCM2, the TIMS jacks are connected internally to the selected

CHANnel. Refer to the Appendix that describes PCM operation.

• 1 (green LED ON): When on, the TX and RX circuitry in the AM8a is connected to

the TIMS 2W/TX and RX jacks. For 2W circuits or analog LOOP, the TIMS 2W/TX jack is used. For 4W circuits, both jacks are used.

• 2 (green LED flashes): When in a monitor PCM mode, the TIMS jack RX and

TX/2W connections to the AM8a circuitry are reversed.

• 3 (green LED OFF): The TIMS jacks are Open and there is no connection to the

AM8a circuitry.

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1.4.3 TALK ([SHIFT][

VALUE

) Key: This control allows the operator to talk over the circuit

under test.

• ON: Enables the speakerphone function of the unit, using the front-panel

microphone and speaker. If a handset is connected, the front panel microphone and speaker are disabled, and the handset functions as a telephone. To avoid noise and false events, ON should not be enabled until the voice connection is made.

• OFF: Speakerphone (or handset) is inoperative.

1.4.4 AUTO ([SHIFT][

VALUE

) Key: This control applies only when the AM8a is used in

emulation. It is not used when set to Monitor.

• ON: If EMULATE has been activated, pressing "SEIZE" key will cause the AM8a to

go Off Hook, and emulate the functions associated with the Calling Party (i.e. detect the expected start dial signal and outpulse AUTO DIAL numbers) of the Trunk Type programmed in the CONFIG'N Setup menu.

The AM8a will perform the functions associated with switching equipment of the selected Trunk Type when an incoming seizure is detected. (i.e. provide programmed start dial signal).

• OFF: The AM8a generates individual emulation events only in response to manual

input.

1.5 MENU/DATA CONTROL KEYS

1.5.1 FREEZE ([SHIFT][B]) Key: Freeze allows the user to Freeze the Events Display to halt the display update as new events are encountered. FREEZE is most useful in viewing specific events embedded within a long call sequence.

• ON: Events Display will indicate a "," to alert the user that a FREEZE has occurred.

In addition, the green LED for DISPLAY EVENTS (over [1] key) will go on steady.

• OFF: To disable the Freeze, use the CANCEL key. The green LED above EVENTS

will resume flashing, and the Events Display will be updated as new events arrive.

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1.5.2 PRINT ([SHIFT][C]) Key: The PRINT key allows the user to obtain a RS232 report for a selected section or display. The PRINT key can be used to print two types of reports, "Short Print" and "Long Print". For examples, refer to Section 7.

• Short Print: Press [SHIFT] then [PRINT] for a Short Print. The Short Print will

provide a printout of the selected display event or Setup parameters. The printout will consist of only the Events or the selected Setup.

• Long Print: Press [SHIFT] then [PRINT] and HOLD PRINT for longer than two (2)

seconds. The Long Print will provide a printout of the selected Display or Setup section. The printout will consist of both Events AND Details, or ALL Setup parameters.

1.5.3 CANCEL [SHIFT][D] Key: The CANCEL key is to disable the FREEZE of the Display. It is also used to clear the display of past Events when desired. While in the Meter Display, use the CANCEL to zero the PCM counters and to align the FRAME SYNC display. In PCM Monitor mode with random channel select, this key will abort the currently-selected channel so that another channel can be monitored.

1.6 SIGNALING KEYS

The signaling keys are used to initiate a call event when Emulate mode has been selected by configuration parameter "MODE: MODE emulate"(2.1).

If the AM8a has been placed in the AUTO mode, the AM8a will perform some functions automatically, as appropriate to its "MODE: IMITATE" "switch" or "te/line" setting, when it receives signals from the circuit under test.

If the AM8a is not in AUTO mode, the appropriate key must be pressed when the operator sees the incoming event displayed.

1.6.1 SEIZE Key: This key alternately puts the line being emulated in an Off-Hook or On-Hook condition.

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1.6.2 START Key: This key transmits the "Start" signal according to the "Start Signal" parameter that has been defined by the "DIALING: START SIGNAL" EMULATE parameter.

• For "dial tone", another press of the key will remove it.

• For "delay" start signal (similar to "wink"), another press before it's programmed

end time (START TIME: DLY: /ENDms) will terminate it.

• For "wink", each press will send a "wink" of the programmed duration (WINK:

/DURms).

• For "immediate" dial, it has no function for a Te/Line that is set for analog (loop)

operation.

1.6.3 RING Key: This key sends ringing to alert the terminal equipment that a call is coming from the AM8a. Ringing will be applied according to the "RINGING:" parameters given in the EMULATE Setup. Pressing the RING key again will remove the ringing signal.

CAUTION: Placing an excessive (>5 REN) Load across Tip Ring during Ring

application may cause the AM8a to reset. Ringing will not be generated if any of the following conditions exist:

1. Low battery indication on display.

2. Loop is seized ( i.e. Off Hook).

3. If > 14mA ring trip current is detected.

4. An excessive ringer load exists for several minutes.

5. Unit is emulating a TE/LINE in analog loop mode.

1.6.4 REV Key: This key controls battery polarity for the line under test when emulating a

Switch. Each press changes the polarity on the line. This key is equivalent to the SEIZE key when Emulating TE/LINE equipment.

1.6.5 SEND TONE ([SHIFT][RING]) key: This is a secondary function of the RING key. Press [SHIFT] then [RING] and the AM8a will send a single tone at the Level and Frequency programmed in the EMULATE "SEND TONE:" setup parameters.

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1.7 DATA ENTRY KEYS FOR SIGNALING

In addition to numerical SETUP parameter values (and the SHIFT functions printed above some of them in green), the two rows of Data Entry keys provide all 16 DTMF (Dual Tone Multifrequency) digits for signaling, all 15 MF digits, and all 10 dial pulse digits.

Keys 1-7 also activate dialing sequence signaling functions printed in red beneath them (after SHIFT has been pressed twice so its red LED is on). These additional signaling functions include:

1.7.1 WAIT DT ([SHIFT][SHIFT][1]) Key: This key causes the AM8a to stop dialing and wait for Dial Tone before continuing. "P" will appear where this is entered into an AUTO DIAL location.

1.7.2 WAIT WINK ([SHIFT][SHIFT][2]) Key: This key causes the AM8a to stop dialing and wait for a valid wink before continuing. "W" will appear where this is entered into an AUTO DIAL location.

1.7.3 WAIT ([SHIFT][SHIFT][3]) Key: This key gives a fixed wait of 3 seconds in dialing. "-" will appear where this is entered into an AUTO DIAL location.

1.7.4 FLASH ([SHIFT][SHIFT][4]) Key: This key gives a momentary On-Hook state, with duration determined by the "FLASH" parameter entered in ANALYZE. "F" will appear where this is entered into an AUTO DIAL location.

1.7.5 UNBALANCE [SHIFT][SHIFT][5] Key: With this key, a momentary unbalanced condition (resistance on the conductors unequal with respect to ground) is applied to the line for a duration specified under ANALYZE. "U" will appear where this is entered into an AUTO DIAL location.

1.7.6 TOGGLE DIAL ([SHIFT][SHIFT][6]) Key: If different dialing types are to be used in the same call, this key offers a method of selecting the changes. Each time a Toggle Dial is encountered, it changes dialing modes. The sequence is: TT, DP, MF, in rotation. "T" will appear where this is entered into an AUTO DIAL location.

1.7.7 BLANK ([SHIFT][SHIFT][7] Key: Inserting a blank into an AUTO DIAL number will stop the dialing sequence at that point.

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1.8 SIGNALING STATUS LEDs

The Signaling Status LEDs show the TRUNK TYPE that the AM8a is IMITATING and whether it is operating as an analog terminal/line or switch, or as a PCM terminal. Figure 1-3 shows these indicators and identifies the menu parameters which set up the operation (see Section 2 sub-sections for appearance of menus and more information on the parameter selections). For more information on the signaling keys shown in the figure, refer to 1.6.

TRUNK : CONFIG :

(see 2.4)

CIRCUIT CONFIG:

(see 2.2.2)

TRUNK TYPE

E & M 4W E & M 2W

ANALOG/PCM

pcm int clk pcm loop clk

(see 2.3.1

- 2.3.4)

PCM CONFIG 1:

PCM selections have no effect on operation if CIRCUIT is analog

PCM CONFIG 2:

panel legends for LEDs

a, b, c, d LEDs indicate signaling bits for the PCM CHANnel

selected. They will scroll if there is no frame sync (see Section 6, subsections 6.9 and 6.10 for meter display of frame sync and bits). When frame sync is established, bits will be lit in patterns to indicate CHANnel conditions.

Typical switch actions resulting in LED indication as condition is

detected. See sub-section 1.6 for more information.

DID

loop

ground

analog

(see 2.3.5)

= lit = flashing = not lit

LEDs indicate unit configuration based on menus

MODE

emulate

monitor

SWITCH

EMULATEEMULATE

T-GND

RINGING

T+R– T–R+

a b c

MODE CONFIG:

TRUNK /SLC

TYPE

E&M/SLC LOOP/DID

GND ST/SF

PCM2 PCM1

(see 2.1)

IMITATE

Switch Te/Line

TERMINAL/LINE

OFFHOOK

R-GND

a b c d

INPUT

pcm 1 on pcm2 on rpt 1 to 2 rpt 2 to 1

FRAMING

SLC

®96 I

{

SLC

®96 II

D3/D4 ESF

ZERO SUP

AMI

CHAN

When SLC®96 I or II is selected, E&M/SLC indicator will flash. MODE must be monitor.

OFF HK a/b ON HK a/b

auto 0/0

. . .

X/1

auto 0/0

. . .

X/1

Figure 1-3. Signaling Status LEDs

SEIZE

RING

REV

INPUT

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1.9 STORE SETUP

The STORE function will save up to 20 different Configuration setups and up to 20 different Emulate/Analyze parameter sets. To store parameters in either SETUP category, press [SHIFT] then [STORE], followed by the appropriate number as indicated in the following sequence:

NOTE: The STORE function will NOT operate while the AM8a is set to the EVENTS

Display or is displaying the DATE/TIME. Current parameters for

EMULATE/ANALYZE will be stored if their locations are specified, even if the CONFIG'N SETUP mode is selected (and vice verse).

1. Press [SHIFT] (so its green LED is on) then [STORE][n][n].

nn = 00 - 19 for CONFIG

20 - 39 for EMULATE/ANALYZE

2. After the storage location has been input, one of the following displays will

appear with instructions for the next actions.

STORE TRUNK CONFIGURATION ?

PRESS "MENU UP" (YES), OTHER KEYS (NO)

STORE EMULATE/ANALYZE ?

PRESS "MENU UP" (YES), OTHER KEYS (NO)

;; CAN NOT STORE, SETUP PROTECTED

PRESS ANY KEY TO CONTINUE

Pressing Menu up will store the current Config setup, any other key will abort the store sequence.

Pressing Menu up will store the current Emulate/Analysis setup, any other key will abort the store sequence.

This display will appear if the setup is protected. If storage is still desired, go

to the Config Setup menu and disable the memory protect. Then repeat the

Store sequence. Be sure to enable the memory protect upon completion of the storage.

NOTE: Some Configuration parameters are not are included in a stored

Configuration. They are: Protect/Unprotect, Baud Rate, Parity, Date/Time, Password, and Display Mode. Since they are not stored, they also cannot be recalled; values that appear on power up are whatever were last set.

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1.10 RECALL SETUPS

RECALL is used to recall stored Configuration, Emulate, and Analysis parameters when in a Setup mode. It may also be used to recall pre-stored "Auto Dial" numbers when Emulating Term/Line equipment while in the Events Display mode.

1.10.1 RECALL Setup Parameters:

1. Select one of the Setup modes. (CONFIG'N, EMULATE, or ANALYZE, but not AUTO DIAL.

2. Press [SHIFT] then [RECALL] then [n][n].

nn = 00 -19 for CONFIG'N

20 - 39 for EMULATE/ANALYZE single [*] to recall ALL parameters before last power-off.

3. The AM8a will recall the setup based on the previously stored parameters for the

selected location.

1.10.2 RECALL Auto Dial Sequence:

NOTE: The AM8a must be Configured so that it is expected to dial (i.e: Emulate

Te/Line, and Off Hook).

1. Select EVENTS Display.

2. Press [SHIFT] then [RECALL] then [Auto Dial location (0 - 9)] or ["*"] for Last

Number Dialed.

NOTE: Last Number Dialed accumulates all out-pulsed digits from "Off- Hook" to

"On-Hook" for each call sequence.

1.11 SPEAKERPHONE/AUDIO MONITOR

The speakerphone is located on the front panel, labeled TALK. The VOLUME control adjusts to the level of the speaker. A handset must be plugged into the modular jack labeled HANDSET. The TALK (ON/OFF) key LED must be lighted.

1.11.1 Speakerphone in talk mode: To use the speakerphone the AM8a must be in

Emulation mode, because the Talk Mode is used to communicate with the person at the other end of the line. In effect, this uses the AM8a as a speakerphone itself.

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Anything spoken into the microphone will go out on the line, and anything coming in will go to the speaker. To avoid unwanted noise events, do not go into the Talk

Mode until the called number has answered.

1.11.2 Handset: If you plug in the handset, the unit automatically detects it, activates the

handset circuits, and the microphone and speaker are deactivated. All other conditions for speakerphone apply to handset.

NOTE: Refer to Figure 1-1 for Handset connections.

1.11.3 Audio Monitoring: When numbers are dialed the speakerphone will monitor dial

tones, dial digits, and tones from the switch or line. The VOLUME control adjusts the monitor level.

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2. CONFIGURATION PARAMETERS

The following displays show in sequence the types of configuration parameters used to program the AM8a. To use these menus press the CONFIG'N key.

2.1 MODE CONFIG

MODE : CONFIG:

Alternate:

2.1.1 IMITATE: The AM8a can operate as either terminal/line equipment or as switching

(CO) equipment. te/line: The AM8a will perform the functions associated with the terminal or line

equipment of the circuit under test. (i.e. seizure, dial out, ring trip, etc.) switch: The AM8a will provide the functions associated with the switching equipment

of the circuit under test. (i.e. battery, start dial signal, ringing, etc.)

2.1.2 MODE: The MODE selects whether the AM8a will emulate or monitor the equipment as selected by the IMITATE parameter.

monitor: The AM8a is non-intrusive to the circuit. Events will be displayed as they occur and the statistics will be recorded for analysis. Call progress tones and dialing will be displayed as they appear.

emulate: The AM8a will provide the signaling IMITATE mode selected. The signals provided are specified by the parameters in the EMULATE menus.

NOTE: Emulate cannot be used with SLC®96 I or SLC®96 II INPUT (see 2.3.1).

IMITATE

switch

te/line

MODE monitor

emulate

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2.2 CIRCUIT CONFIG

The Circuit Config menu allows the user to specify the characteristics of the trunk type to be tested.

CIRCUIT: CONFIG :

Alternate:

ANALOG IMPEDANCE

900 ohm

135 ohm 600 ohm

ANALOG/PCM

pcm loop clk

analog

pcm int clk

1200 ohm

2.2.1 ANALOG IMPEDANCE: This parameter selects the termination used when connected to an analog loop line.

2.2.2 ANALOG/PCM: This parameter allows the selection of direct analog operation or PCM operation. (PCM will function on each voice channel according to the selections made in the TRUNK CONFIG menus.

analog: Selects the analog input jack (LOOP T/R) for connection to the circuit. pcm int clk: (Internal Clock) the AM8a will generate the clock for PCM framing

information. In this case, the AM8a acts as a "Master" via the PCM1 or PCM2 TX jack. pcm loop clk: (External Clock) uses the PCM signal it receives to obtain framing data.

In this mode, the AM8a acts as a "Slave" via the PCM1 or PCM2 RX jack. For testing in repeat (drop and insert) mode the PCM signal with the clock (framing data) must be connected to the PCM1 RX jack. (Refer to 2.3.3).

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AM8a Instruction Manual (18-0037) Configuration Parameters

2.3 PCM CONFIG 1 and PCM CONFIG 2

The PCM CONFIG 1 menu allows the user to select the PCM input, framing, zero substitution code word, and time slot or channel for voice measurements.

PCM : CONFIG 1:

Alternate:

The PCM CONFIG 2 menu selects the a and b bit coding for off-hook and on-hook conditions. Refer to Section 6.10 for description of the Meter display of these bits.

PCM : CONFIG 2:

Alternate:

INPUT

pcm 1 on

pcm 2 on

rpt1 to 2 rpt2 to 1

OFF HK a/b

FRAMING

D3/D4

ESF

SLC 96 I

SLC 96 II

auto

0/0 0/1 1/0 1/1 0/X 1/X X/0 X/1

ZERO SUP

AMI

B8ZS

ZCS

ON HK a/b

auto

0/0 0/1 1/0

1/1 0/X 1/X X/0 X/1

CHAN

0, 1 to 24

–1 to –96, –97

2.3.1 INPUT: This parameter selects how the input jacks will be used to interface with the

PCM link.

pcm1 on: selects the PCM1 jacks for emulate or monitor connection. pcm2 on: selects the PCM2 jacks for emulate or monitor connection. rpt 1 to 2: is used during Drop & Insert testing. This mode allow the selected CHANnel

to be used for emulation towards the equipment connected to the PCM1 input jacks; other channels are uninterrupted to PCM2.

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rpt 2 to 1: is used during Drop & Insert testing. This mode will allow the selected

CHANnel to be used for emulation towards the equipment connected to the PCM2 input jacks; other channels are uninterrupted to PCM1.

NOTE: In MONITOR mode all channels pass from PCM1 to PCM2 when rpt 1 to 2 or

rpt 2 to 1 are selected. See Section 6 for metering the a and b bits to find an

idle channel that can be selected for drop and insert testing. In Drop & Insert testing, the equipment which supplies the "Master" clock

for framing must be connected to the PCM1 input jack.

2.3.2 FRAMING: This parameter selects the span framing type assignment that the AM8a can

emulate and monitor. D3/D4: is the most popular type of framing. It uses 12 separate frames in a super-

frame. The signaling bits are identified as "a" and "b" bits. ESF: Extended SuperFrame is another popular type of framing. This type uses 24

frames rather than 12 frames. Its signaling bits are" a, b, c, and d". SLC®96 I: (SLC® 96 Mode I) monitors 96 channels or data link on four spans (A, B, C,

and D). Assignment of channels to time-slots is fixed. Refer to Table 6-5 for these assignments.

SLC®96 II: (SLC®96 Mode II) monitors 96 channels or data link on two spans (A and C). Assignment of channels to time-slots is on as-available basis. Refer to 2.5.4 for use of activity message to determine line groups and active channels.

NOTE: SLC®96 I and SLC®96 II can only be used in monitor mode.

2.3.3 ZERO SUP: Zero Suppression is the way that the AM8a handles a data pattern of all

"0's" during transmission. AMI: (Alternate Mark Inversion) is the standard protocol for T1 spans. AMI does not

supply any zero suppression conversions. B8ZS: (Binary Eight Zero Suppression) will insert two bipolar violations when eight

consecutive zeros are encountered. The receiving equipment will recognize this and remove the BPV's and correctly interpret the data.

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ZCS: (Zero Code Suppression) will insert a "1" bit to prevent the transmission of eight or more consecutive "0" bits.

2.3.4 CHAN: This parameter is used to select either a PCM time-slot or voice channel. A

channel is not passed through when the AM8a is in drop and insert input and emulation mode. Selection options are:

0: Random selection of first time-slot that goes active (monitor only). 1 through 24: T1 time-slot to monitor, emulate, or drop and insert. SLC®96 I time

slot to monitor. (See Figure 6-5 for time slot to channel assignment at SLC®96 equipment shelves).

–1 through –96: SLC®96 I or II Voice channel to monitor. –97: SLC®96 I or II Data link to monitor (see 2.5.3 and 2.5.4).

2.3.5 OFF HK a/b or ON HK a/b: These parameters set the a and b bit patterns that will be

generated or detected as off-hook or on-hook. AUTO: The bit patterns are set in accordance with the TRUNK TYPE or the SLC® TYPE.

Refer to 2.4.1 and 2.4.2 0/0 through X/1: defines bit patterns for specialized signaling used in some equipment

that may be tested.

2.4 TRUNK CONFIG

This menu selects the trunk type that is emulated or monitored. It also sets the type of voice channel that is monitored if the framing (see 2.3.2) has been set for SLC®96 I or SLC®96 II. Finally it sets the E & M type if E & M 2W or E & M 4W have been selected as TRUNK TYPE.

TRUNK : CONFIG :

Alternate:

TRUNK TYPE

E & M 4W

E & M 2W

DID

loop

SLC®TYPE

SINGLE PARTY

UNIVERSAL V G

E & M TYPE

III

ground

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2.4.1 TRUNK TYPE: The AM8a can be configured to interface with the types indicated by the

alternates shown in the menu. The types may be either direct analog or a voice channel selected from a PCM link.

loop: This is the simplest type of interface. The terminal seizes a line by closing the loop. If analog has been selected (see 2.2.2) the equipment is connected to the LOOP T/R jack on the front panel. If PCM has been selected, the conditions are internally emulated/monitored on a selected voice CHANnel.

ground: In ground start, the terminal seizes a line by grounding the tip lead. If analog has been selected (see 2.2.2), the equipment is also connected to the LOOP T/R jack on the front panel. If PCM has been selected, the conditions are internally emulated/monitored on a selected voice CHANnel.

E & M 2W and E & M 4W: Refer to 2.4.3 for more information. DID: This configuration is the same as LOOP except the switch initiates the seize and

dialing signals. SF: This is a four-wire (TX and RX) configuration in which signaling and dialing is by

pulsed 2600 Hz tones.

2.4.2 SLC®TYPE: This selection is only active when FRAMING of SLC®96 I or SLC®96 II has

been selected (see 2.3.2) and is only for monitor mode.

SINGLE PARTY: must be used with TRUNK TYPE loop. UNIVERSAL VOICE GRADE: can be loop or ground start.

2.4.3 E & M TYPE: This selection is only active when TRUNK TYPE of E & M 2W or E & M 4W

have been selected. The table below summarizes the connections that must be made to the equipment for the TYPE parameters selected if in analog mode. For PCM modes, the signaling bits will convey information:

E & M TRUNK INPUT E & M TYPE

Jack Signals

E te/line orig. M switch orig. SB signal battery SG signal ground

TX RX

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I x x

E & M 2W and 4W

E & M 4W

III

II x

TRUNK TYPE

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AM8a Instruction Manual (18-0037) Configuration Parameters

2.5 DISPLAY CONFIG 1 AND CONFIG 2

These menus control the AM8a LCD display and equivalent printouts. They allow the user to set the display to respond to calls, dialing events, SLC® messages, and single-tone events.

DISPLAY: CONFIG1 :

Alternate:

DISPLAY: CONFIG2 :

Alternate:

2.5.1 MODE: This parameter controls how the events display will be updated.

new call reset: This selection will reset the display each time a new call is encountered.

Events will enter the display buffer until it is full (80 characters max). After it is full, further events will be ignored until a new call is encountered.

NOTE: 40 characters will be displayed on the screen, while the remaining 40

characters are kept in the buffer until selected for viewing via the keys.

manual reset: This selection will display events until the 80 character buffer is full. All events after this will be ignored until the display is cleared by pressing the [SHIFT] [CANCEL] keys.

MODE

new call reset

manual reset

scroll

T/t MASK

DIG DET

narrow

wide limit

YES

0000000000 to

MSG

SLC

0000000001

1111111111

NOTE: In monitor mode for PCM, with channel number of 0 (random select)

specified, the [SHIFT][CANCEL] keys will immediately abort monitoring of the current call so that the AM8a can monitor the next new call.

scroll: This selection will allow the most recent 80 events to be displayed as they occur. Old events will scroll off the display and be discarded as new events replace them. The FREEZE function is useful here to "stop" the display to analyze specific events.

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2.5.2 DIGit DETection: This selection defines the way in which the AM8a will display or

print dialed-digit events. These events may be pulse, DTMF, or MF(R1). Refer to DIALING EMULATE: LOOP TYPE (¶3.3.1).

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

narrow: only dialed digits that are exceptions to the expected values, or are good will

result in a displayed/printed message. wide: all dialed digits, including those that are unrecognizable, will result in a

displayed/printed message. limit: only dialed digits that are good will result in a displayed/printed message.

2.5.3 SLC® MSG: This parameter allows the user to set a combination of 10 "flags" that

direct the unit to respond to various conditions in a monitored Mode II SLC®96 channel. Use the

FIELD

keys to move to the flag. Use the 0 and 1 keys to set the flag. When the flag is set to "1" the condition will result in a message. If set to "0", the condition will be ignored.

The messages are identified by EVENT display codes (refer to 1.2.2) and DETAIL messages; both are listed below (actual message text will vary to fit second line of display):

=1 Message Detect active

SLC MSG

x x x x x x x x x x

no flag (always active)

=0 No Message Detect active

Event Code

i y j

c or k l e or m a b d f n

Trunk Assignment LDS to RT Trunk De-assignment LDS to RT Assignment Update LDS to RT

Looping Test Activity Update Request LDS to RT Idle/Trunk De-assignment update (E & M) Activity RT to LDS Activity Update RT to LDS Assignment Update Request RT to LDS No Alarm RT to LDS COT Trunk Deassignment

Message

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Line Group

27 29 31 33 35 25

a 01:50.588 RT Activity LG=n X X X X X X X X

b 01:50.588 RT Act Update LG=n X X X X X X X X

=1: Active Channel =0: Inactive Channel

2.5.4 SLC® Activity Message: When the message detect active for the a or b events (shown

in ¶2.5.3) is set, the activity messages in the 4Kbps data link can be monitored when CHANnel is set to -97 (refer to 2.3.4). The chart that follows decodes the messages to identify the Line Group and the Active Channel(s) in the line group.

1 2 3 4 5 6

2.5.5 T/t Mask (single-tone event selection): This selection, on the second CONFIG menu controls the display of single-tone events. When YES has been selected, all single-tone events will be masked (not displayed). When NO has been selected, single tone events are not masked (displayed).

13 15 17 19 21 23

37 39 41 43 45 47

2.6 RS232 CONFIG

This menu is used to configure the AM8a RS232 port. The settings can only be changed by operator entry.

RS232 : CONFIG:

Alternate:

BAUD RATE

9600

300 1200 2400

2.6.1 BAUD RATE: This selects the baud rate of the RS 232 port. Available baud rates are

shown by the alternates listed above.

2 4 6 8 10 12

26 28 30 32 34 36

14 16 18 20 22 24

PARITY

none

odd

even

38 40 42 44 46 48

3 5 7 9 11 1

CR DELAYsec

0 to 99 (1sec steps)

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CAUTION: When units are chained, set all parameters the same on each unit,

and do not exceed 2400 baud.

2.6.2 PARITY: This will select whether Even or Odd parity will be used for error checking.

This will also allow for NO parity check to be used.

2.6.3 CR DELAYsec: Carriage Return Delay. This parameter allows a delay to be inserted

after a carriage return is sent at the end of a line of text. This delay will prevent further characters being sent during the time required for the carriage return in a printer without a built-in buffer.

NOTE: The RS232 serial date will have the format of 1 stop bit and 7 data bits

when parity is enabled. When parity is disabled, 8 data bits will be used.

2.7 SECURITY CONFIG

The two security settings can only be changed by operator entry.

SECURITY: CONFIG :

2.7.1 PASSWORD: is used for RS232 security. If PASSWORD is enabled ("yes"),

unauthorized access to the unit can be prevented. Access must be gained via a "Logon" procedure. See the RS232 Entries and printouts in section 7 to set or change passwords.

2.7.2 SETUP PROTECT: Setup allows the stored configuration to be protected from

accidental modification. When "yes" is selected and a STORE is attempted, the display will indicate that Setup Protect is enabled; the STORE command will be ignored. To STORE setups, set this parameter to "no".

NOTE: When Setup is PROTECTED, previously stored setups may be recalled as

normal. Also, parameters may be changed via the front panel controls or RS232 commands.

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PASSWORD

yes

2-10

SETUP PROTECT

yes

noAlternate:

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AM8a Instruction Manual (18-0037) Configuration Parameters

2.8 PRINT CONFIG

This menu selects what information will be printed when the automatic print mode has been enabled.

PRINT : CONFIG:

Alternate:

AUTOPRINT

off

all calls,events only all calls,events & details flawed calls,events only

flawed calls,events & details

2.8.1 off: This selection AM8a will not automatically print the events and/or details that

have been analyzed.

2.8.2 all calls, events only: This selection will cause the AM8a to automatically print the

events it has analyzed. The printout will be output at the start of the next call sequence. The printout will consist of the events of the call without any details.

2.8.3 all calls, events & details: This selection will cause the AM8a to automatically print the

events and details it has analyzed. The printout will be output at the start of the next call sequence.

2.8.4 flawed calls, events only: This selection will cause the AM8a to printout the analyzed

events when a call sequence is outside the tolerance specified in the ANALYZE setup menus. The printout will be output at the start of the next call sequence and will print only the events of the call.

2.8.5 flawed calls, events & details: This selection will cause the AM8a to printout the

analyzed events and details when a call sequence is outside the tolerance specified in the ANALYZE setup menus. The printout will be output at the start of the next call sequence.

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CLOCK : CONFIG:

DATE(MM/DD/YY) XXX1 XXX1 XX91

1-12 1-31 0-99

TIME(HH/MM) XX12 XXX1

0-23 0-59

Alternate:

AM8a : CONFIG:

CPU

105

DSP0

100

DSP1

100

2.9 CLOCK CONFIG

This menu is used to set the Real Time Clock and Date which appears in the Events Display as well as on reports generated via the RS232 port. These parameters can only be changed by operator input. The factory default clock setting is shown below ("X"s are not part of display):

NOTE: As entries into date and time fields are made, leading zeroes (0) are displayed

where "X"s are shown. Leading 0s are cleared when the next field is selected. This is typical of most displays which require entry of numeric data.

2.10 AM8a CONFIG

The VERSION menu contains information only. It is not programmable. The CPU field shows the firmware version used for the main control of the AM8a. The DSP0 and DSP1 fields indicate the DSP firmware used for audio processing functions such as tone generation and measurements. The display below is to illustrate format; the actual numbers displayed may be different.

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3. EMULATE PARAMETERS

The EMULATE parameters are used to define the values and timing of the events initiated by the AM8a. These parameters are only used when the Te/Line or Switch is set to CONFIG "MODE emulate". When set to "MODE monitor" they are not used, and also cannot be printed at a terminal.

3.1 LOOP EMULATE

This menu is used to setup the characteristics of the interface when configured as an analog LOOP START TRUNK TYPE.

LOOP : VOLTAGEvdc

Alternate:

3.1.1 VOLTAGE: This is the battery voltage that will be supplied by the AM8a when

configured to emulate an analog switch (refer to 2.1 and 2.2).

3.1.2 LENGTH: This parameter allows the selection of the loop length to be simulated by the

AM8a.

20 to 72

LENGTHohm

1200

0 to 2100(300ohm steps)

3.2 TERMINATION EMULATE

This menu controls the termination for the analog signals on the trunk.

TERMINATION: EMULATE :

Alternate:

2.16uf in

out

DC HOLD

330ohm

10ohm

430ohm

3.2.1 2.16uf: 2.16 microfarads is a standard capacitive component of the termination

impedance when set to IN. out: the capacitance is increased to 24uf so that it has little or no effect on the

termination for audio frequencies from 200Hz to 3400 Hz.

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3.2.2 DC HOLD: This parameter controls the DC holding resistance placed across Tip and

Ring during an OFF-HOOK condition.

3.3 DIALING EMULATE

This menu controls the dialing type and the signal used as a start dial indication.

DIALING : EMULATE:

Alternate:

LOOP TYPE

pulse

dtmf

mf(R1)

START SIGNAL

wink

Immediate

delay

dial tone

3.3.1 LOOP TYPE: This selects the dialing type the AM8a will out-pulse. This dialing type

may be changed using the "TOGGLE DIAL" key (or equivalent character in an AUTO DIAL sequence).

3.3.2 START SIGNAL: This is the START SIGNAL provided by the AM8a when the START key is pressed or the AM8a is in the AUTO mode and an OFF HOOK is detected.

3.4 PULSE EMULATE

The PULSE dialing specifications are programmed in this menu. These parameters are used when the AM8a LOOP TYPE parameter is set to PULSE in the DIALING menu.

PULSE : EMULATE:

Alternate:

3.4.1 SPEEDpps: This controls the number of pulses per second for each digit out-pulsed.

SPEEDpps

5 to 25

BREAK%

40 to 85

INTRDIGITms

600

120 to 999

3.4.2 BREAK%: This controls the % of break (open loop) of each pulse making up a out- pulsed digit.

3.4.3 INTRDIGITms: The Inter-Digit Time is programmed here. This is the amount of time from the last pulse of the previous digit until the first pulse of the next digit.

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3.5 DTMF/MF EMULATE 1

The Tone dialing specifications are programmed in this menu. These parameters are used when the AM8a LOOP TYPE parameter is set to DTMF or MF in the DIALING menu. DTMF and MF dialing use two tones of fixed frequencies (one a low band, the other a high band) generated simultaneously. This menu allows the user to apply "TWIST" and/or "SKEW" to the out-pulsed digits.

DTMF/MF : EMULATE 1:

Alternate:

HI: dBm/hz%

LO: dBm/hz%

-7 -0.0

dBm = -40 to -3 (1dB steps)

-7 -0.0

Hz = -5.0 to +5.0 (0.1 % steps)

3.5.1 HI:dBm/hz%: This controls the level and frequency of the HI band tone of a tone dialed digit.

3.5.2 LO:dBm/hz%: This controls the level and frequency of the LO band tone of a tone dialed digit.

3.6 DTMF/MF EMULATE 2

Additional Tone dialing specifications are programmed in this menu. These parameters are used when the AM8a LOOP TYPE parameter is set to DTMF or MF in the DIALING menu.

DTMF/MF : EMULATE 2:

Alternate:

3.6.1 ON/OFFms: ON time is the amount of time the tones are sent for each digit out-pulsed. OFF time is the amount of quiet (OFF) time between digits.

ON/OFFms

50 50

25 to 99 (1ms steps)

NOTE: This parameter is only effective when AUTO DIAL dialing is used. For

manual dialing, the ON time depends on how long the digit key is pressed, and the OFF time is the interval between the pressing of two successive digits.

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3.7 SEND TONE EMULATE

This menu allows the user to program the level and frequency of a single test tone which may be sent from the AM8a when the SEND TONE key is pressed.

SEND TONE: EMULATE :

3.7.1 LEVELdBm: This controls the level of the single test tone.

3.7.2 FREQUENCYhz: This controls the frequency of the single test tone.

LEVELdBm

-10

-40 to 0 (1dB steps)

FREQUENCYhz

1004

300 to 3300 (1hz steps)Alternate:

3.8 DIAL TONE EMULATE 1

This parameter allows a Dial Tone Cadence to be programmed. If all the OFF times are set for 0000, and only one ON time is set to 9999, a continuous Dial Tone will be sent if Dial Tone is selected as the START SIGNAL.

DIAL TONE: EMULATE 1:

Alternate:

Programming an OFF time will provide interrupted dial tone. The additional ON/OFF parameters will only be used if the first OFF time is given a value greater than zero. Use of these parameters will provide a dial-tone cadence like "one long, two short".

ON/OFFms 9999 0

0 to 9999 (1ms steps)

ON/OFFms

0 0

ON/OFFms

0 0

3.9 DIAL TONE EMULATE 2

The Dial Tone provided by the AM8a when seized by the Calling Party (and DIALING: START SIGNAL is set to dial tone) may be programmed here. The dial tone consists of two tones

generated simultaneously. The LEVEL and FREQuency of each tone can be varied independently.

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DIAL TONE : EMULATE 2 :

Alternate:

dBm = -40 to -3 (1dB steps)

T1:dBm/hz

-13 350

T2:dBm/hz

-13 440

DL SNDms

250

15 to 9999 (1ms steps)

Hz = 0 or 300 to 3300 (1 hz steps)

3.9.1 T1:dBm/hz: This parameter controls the level and frequency of the first tone of the composite dial tone signal.

3.9.2 T2:dBm/hz: This parameter controls the level and frequency of the second tone of the composite dial tone signal.

3.9.3 DL SNDms: This parameter is a delay time from seizure to providing the dial tone when the AM8a is set to AUTOMATIC.

3.10 RECALL EMULATE

This menu is used for special calling features such as Call Transfer, Conference Calling, etc.

RECALL : EMULATE:

HOOKFLASHms

500

15 to 999 (1ms steps)

3.10.1 HOOKFLASHms: This is the duration of a Hook Flash generated by the AM8a.

LINE UNBALms

500

15 to 9999 (1ms steps)Alternate:

3.10.2 LINE UNBALms: This is the International version of FLASH. The timing is utilized the

same way as flash. The difference is that an unbalance will apply a ground on the ring lead for the programmed time.

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3.11 RINGING EMULATE 1

This menu controls the ringing Cadence applied to the line during ring.

RINGING : EMULATE 1:

Alternate:

ON/OFFms

2000 4000

on = 0 to 5000 (1ms steps)

ON/OFFms

0 0

ON/OFFms

0 0

off = 0 to 9999 (1ms steps)

3.11.1 ON/OFFms: Two additional parameters may be used for custom ring cadence

programming. They allow for programming a sequence of cadences to simulate custom calling features such as callback queuing or auto call back.

NOTE: If Ringing ON time plus OFF time exceeds 10 seconds, a New Call Reset

will occur.

3.12 RINGING EMULATE 2

RINGING : EMULATE 2:

Alternate:

3.12.1 VOLTAGEvrms: This parameter controls the RMS voltage that is applied during the

ring cycle.

3.12.2 FREQUENCYhz: This parameter controls the frequency of the ringing applied during

the ring cycle.

VOLTAGEvrms

30 to 105 (5v steps)

FREQUENCYhz

20.0

15 to 70 (0.1hz steps)

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3.13 START TIME EMULATE

These parameters are used for programming the timing of the DELAY and WINK START SIGNALS.

START TIME: EMULATE :

Alternate:

3.13.1 DLY:BGN/ENDms: This setting controls the DeLaY BeGiN timing. This is the time from

seizure until the DELAY START DIAL signal is sent. The AM8a must be set to EMULATE and have the AUTOMATIC selection made. The END time is when the DeLaY signal will be removed.

3.13.2 WINK:BGN/DURms: This setting controls the wink BeGiN timing. This is the time

from seizure until the WINK is sent. The AM8a must be set to EMULATE and have the AUTOMATIC selection made. The DURation controls how long the wink is on the line.

DLY:BGN/ENDms

100 250

BGN = 15 to 999 (1ms steps) END = 100 to 9999 (1ms steps)

WINK:BGN/DURms

100 250

BGN = 15 to 999 (1ms steps) DUR = 50 to 999 (1ms steps)

3.14 SF EMULATE

This menu sets the level and frequency variation of the Single-Frequency (2600Hz) signal that is used for signaling when the TRUNK TYPE is SF (Refer to 2.4.1).

SF EMULATE :

Alternate:

LEVELdBm

–40 to 0

(1 dBm steps)

–10

FREQ + %hz

0.0

-2 to 2 (.1 % steps)

3.14.1 LEVEL: sets the 2600Hz SF tone from –40 dBm to 0 dBm.

3.14.2 FREQ+%hz: sets the frequency variation of the 2600Hz SF tone from –2% to +2% in

.1 % steps (2548Hz through 2652Hz).

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AM8a Instruction Manual (18-0037) Analysis Parameters

4. ANALYSIS PARAMETERS

The menus described in this section are used to set parameters which the AM8a uses for interpreting expected events as well as analyzing the events that occur during a call sequence.

The parameters provide lower and upper ranges or single-value thresholds for event recognition and for flagging failures of specific events. To use these menus, the operator must first select the ANALYZE Setup menu. The parameters are then set as menus are displayed.

During tests, if an event falls outside of the programmed range, the display will indicate this failure by flashing the analysis line of the Events Display; when the ">"character is selected for analysis, the detail line will flash to indicate that an Event in the call sequence failed.

The user may then move the cursor to find the specific Event which failed. Once the failed Event has been selected, the specific detail which failed will flash. An RS232 report will flag an out-of-spec. event with an "*".

4.1 HOOK ANALYZE

This menu controls how the AM8a interprets "ON HOOK" conditions. This applies to all TRUNK TYPES that can be selected in the CONFIG SETUP menu. See 4.11.2 for OFF HOOK information if ANALOG(loop) is used.

HOOK : ANALYZE:

Alternate:

4.1.1 FLASHms(min): An "ON HOOK" greater than the FLASH timing but less than the DISCONNECT time is considered a hook flash.

An "ON HOOK" duration less than the FLASH time is considered to be a dial pulse digit.

4.1.2 DISCONNECTms(min): If the duration of an "ON HOOK" signal exceeds this parameter, the AM8a assumes a true disconnect has occurred and will interpret the next "OFF HOOK" as the beginning of a new call..

0037-S04.L_32 February 10, 2000

FLASHms(min)

450

50 to 1250 (1ms steps)

4-1

DISCONNECTms(min)

1000

50 to 1250 (1ms steps)

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Analysis Parameters (18-0037) AM8a Instruction Manual

4.2 STRT SIG (START SIGNAL) ANALYZE: EXPECTED TYPE

This menu is used to set the Start Signal EXPECTED by the AM8a when it is the calling party (originator of the call). Dialtone will always be accepted, and the additional choices that can be recognized are either wink or delay start.

STRT SIG : ANALYZE:

EXPECTED TYPE

dialtone/wink

dialtone/delayAlternate:

4.2.1 dialtone/wink: This instructs the AM8a to EXPECT dialtone OR a wink as the Start Dial. If a wink is received in less than 999 ms, the Events display will show a "W". If the wink is not received within 999 ms, the Events display will show a "Pp". Within the 999 ms, error reporting will depend on the parameters in the WINK STRT menu.

4.2.2 dialtone/delay: This instructs the AM8a to EXPECT dialtone OR a delay dial signal. When the delay dial signal is received, the Events display will show a "Pp". Error reporting will depend on the parameters in the DLY STRT menu.

4.2.3 dialtone/...: Dialtone will always be accepted as a start signal. If a dialtone is received, an "X" will be displayed and error reporting will depend on the parameters in the DT STRT menu.

4.3 DT STRT (DIALTONE START) ANALYZE: DIALTONE RCVDms (min/max)

This menu selects the DIALTONE RECEIVE timing. If dialtone is received as a Start Signal, it must arrive within this threshold to be valid. If received outside of these limits, it will be flagged as an error.

DT STRT : ANALYZE:

DIALTONE RCVDms(min/max)

0 3000

0 to 9999 (1ms steps)Alternate:

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AM8a Instruction Manual (18-0037) Analysis Parameters

4.4 DLY STRT (DELAY START) ANALYZE

When the EXPECTED TYPE of Start Signal is set to dialtone/delay, these parameters control what is reported as an exception. If dialtone is received, these settings are not used.

DLY STRT: ANALYZE:

4.4.1 STRT BGNms(min/max): This is the time from off hook to the DELAY dial START SIGNAL. If the timing is outside the range, it is flagged as an exception.

4.4.2 ENDms(min): This time must be exceeded in order for the delay signal to be valid. A delay signal shorter than this time will be flagged as an exception.

STRT BGNms(min/max)

0 300

0 to 999 (1ms steps)

ENDms(min)

140

0 to 9999 (1ms steps)Alternate:

4.5 WINK STRT

When the EXPECTED TYPE of Start Signal is set to dialtone/wink, these parameters control what is reported as an exception. If dialtone is received, these settings are not used.

WINK STRT: ANALYZE :

Alternate:

4.5.1 WINK BGNms(min): This is the time from off hook to the WINK START SIGNAL. If the timing exceeds this parameter, it is flagged as an exception.

4.5.2 DURms(min/max): This is the time the wink signal must be present to be valid. A wink signal less than the minimum (min) time or greater than the maximum (max) time of this setting will be reported as an exception.

WINK BGNms(min)

15 to 999 (1ms steps)

DURms(min/max)

140 290

50 to 999 (1ms steps)

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Analysis Parameters (18-0037) AM8a Instruction Manual

4.6 PULSE ANALYZE 1

This is the first of two menus used for PULSE dial analysis. This menu contains parameters for the speed and percent of break time analysis.

PULSE : ANALYZE 1:

NOTE: The OFF HOOK vdc parameter described in 4.11.2 will also affect the

ability to detect PULSE dial digits.

4.6.1 SPEEDpps(min/max): When pulse dialing is received, the SPEED (pulses per second) must fall within the min and max range programmed here. If the SPEED falls outside this range, the Event is flagged as an error.

4.6.2 BREAK%: When pulse dialing is received, the BREAK % must fall within the min and max range programmed here. If the % BREAK falls outside this range, the Event is flagged as an error.

SPEEDpps(min/max)

8.0 12.0

5 to 25 (0.1pps steps)

BREAK%

50 70

20 to 85 (1% steps)Alternate:

4.7 PULSE ANALYZE 2

This is the second of two menus used for PULSE dial analysis. This menu contains parameters for the interdigit time analysis.

PULSE : ANALYZE 2:

INTRDIGITms(min)

300

120 to 999 (1ms steps)Alternate:

4.7.1 INTERDIGITms(min): When PULSE dialing is received, the INTERDIGIT time must fall within this parameter. If the time falls outside this range, the Event is flagged as an error.

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AM8a Instruction Manual (18-0037) Analysis Parameters

4.8 DTMF/MF ANALYZE 1

This is the first of three menus used for Tone dialing analysis. These menus apply to DTMF, MF(R1), and MF(R2). This menu contains the parameters used to set the Low Band and HI

Band thresholds.

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

DTMF/MF : ANALYZE 1:

4.8.1 LO BANDdB(min/max): When Tone Dialing is received, the Lo Band LEVEL must fall within the min and max settings of this parameter to be valid. If the Level is outside of the programmed range, the Event is flagged as an error.

4.8.2 HI BANDdB: When Tone Dialing is received, the Hi Band LEVEL must fall within the min and max settings of this parameter to be valid. If the Level is outside of the programmed range, the Event is flagged as an error.

LO BANDdB(min/max)

-15 -3

-30 to -3 (1dB steps)

HI BANDdB

-15 -3

-30 to -3 (1dB steps)Alternate:

4.9 DTMF/MF ANALYZE 2

This is the second of three menus used for Tone dialing analysis. These menus apply to DTMF, and MF(R1) frequencies. This menu contains the parameters used to set the Frequency offset and Twist thresholds. For information on tone frequencies, refer to the description and tables on the next page.

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

DTMF/MF : ANALYZE 2:

FREQ%(max)

1.5

TWISTdB(min/max)

-6 6

0 to 3.5 (0.1% steps)

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4-5

-12 to +12 (1dB steps)Alternate:

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Analysis Parameters (18-0037) AM8a Instruction Manual

DTMF FREQUENCIES

4.9.1 FREQ%(max): When Tone Dialing is received, the Frequency of the Lo Band and the Hi Band must not deviate more than this setting from the nominal Frequency. If the percent of deviation (±) exceeds this setting, the Event is flagged as an error.

4.9.2 TWISTdB(min/max): When Tone Dialing is received, the difference (Twist) between the Lo Band Level and the Hi Band Level of a digit must not exceed the range of this parameter to be valid. If the difference exceeds this range, the Event is flagged as an error.

4.9.3 DTMF Frequencies: There are 16 frequency combinations that represent the DTMF (dual-tone multi-frequency, also referred to as "touch-tone®") digits that can be used. 1 - 9, *, 0, and # appear on a standard touch-tone dial (4 x 3 matrix).

The A, B, C, and D digits are used for inter-office dialing and other special applications and may appear on some special-purpose dials (such as is used on the AM8a Program Keyboard and the example below). The frequencies can be determined from the figure below:

HIGH BAND FREQUENCY

Example: DTMF digit 5 is made up of two frequencies. Reading to the right for Low Band gives 770 Hz. Reading up for High Band gives 1336 Hz.

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1209 1336 1477 1633

4-6

697

770

852

941

B A N D

F R

E Q U

E N C

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AM8a Instruction Manual (18-0037) Analysis Parameters

C (ST2P)

DIGIT LO BAND

700 700 900 700 900

1100

700

900 1100 1300 1100 1500

700

900 1300

HIGH BAND

900 1100 1100

1300 1300 1300 1500 1500 1500 1500 1700 1700 1700 1700 1700

MF FREQUENCIES

4.9.4 MF(R1) Frequencies: There are 15 frequency combinations that represent the possible

0037-S04.L_32 February 10, 2000

MF (Multi-Frequency) tones that are used between Central Offices and some PBXs. For the AM8a to analyze digits as MF, a KP digit must immediately precede the first dialed digit.

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

The analyzing of digits as MF will cease with the reception of an ST, ST3P, STP, or ST2P digit. Refer to the table on the next page.

NOTE: The KP digit ON-time is twice the programmed value.

Example: MF digit 5 is made up of two frequencies: Low Band 900 Hz and High Band 1300 Hz.

1 2 3 4 5 6 7 8 9 0 * (KP) # (ST) A (ST3P) B (STP)

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Analysis Parameters (18-0037) AM8a Instruction Manual

4.10 DTMF/MF ANALYZE 3

This is the third of three menus used for Tone dialing analysis. These menus apply to DTMF, and MF(R1). This menu contains parameters used to set Tone ON and OFF time thresholds and Guard Time.

DTMF/MF : ANALYZE 3:

Alternate:

4.10.1 TONE ON/OFFms(min): When Tone Dialing is received, the ON time (time the digit is present) and OFF time (quiet time between digits) must be greater than the setting of these values. If either the ON time or the OFF time exceed these settings, the Event is flagged as an error.

4.10.2 GUARDms: When a Tone is present, this parameter controls whether or not the AM8a will analyze it. This GUARD (Tone ON time) time MUST be exceeded before the AM8a will analyze it. If the Event is shorter, it will be ignored.

TONE ON/OFFms(min)

35 35

* 25 to 99 (1ms steps)

* min ON time setting for DTMF = 25 ms * min ON time setting for MF(R1) = 35 ms

GUARDms 40

0 to 99 (1ms steps)

4.11 THRESHOLD ANALYZE

This menu controls the Tone Level and the Off Hook threshold that the AM8a will recognize.

THRESHOLD: ANALYZE :

TONEdBm(min)

-30

-40 to 0 (1 dB steps)Alternate:

OFF HKvdc(min) 35

2 to 60 (1 vdc steps)

4.11.1 TONEdBm(min): When a Tone is present, this parameter determines the LEVEL which must be exceeded before the AM8a will analyze it. If a Tones Level is below this setting, the AM8a will ignore it.

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AM8a Instruction Manual (18-0037) Analysis Parameters

4.11.2 OFF HKvdc(min): This parameter sets the threshold the AM8a uses to determine OFF HOOK status when it is configured to ANALOG(loop). The dc voltage present across

the Tip and Ring leads must fall below this threshold (towards zero, regardless of polarity) before the AM8a will recognize an OFF HOOK condition. This threshold will also affect the ability of the AM8a to detect dial PULSE digits. The next sub-section provides the procedure to determine the best setting of this parameter.

4.11.3 Procedure to Set OFF HKvdc(min) Threshold: The on/off hook threshold TO voltage must be carefully set to ensure the AM8a correctly recognizes ON and OFF hook events. The setting may have an effect on the operation of the PULSE digit analyzer, since PULSE dialing is accomplished by opening and closing of the loop. (ON/OFF- HOOK).

A quick way to determine the setting of what voltage to set the threshold voltage is to use the METER DISPLAY as follows (refer to sub-section 6.4):

1. When the LINE/TERM equipment is ON HOOK, measure the Vt–r dc. This voltage

should be equivalent to the battery supply of the switching equipment.

2. Go OFF HOOK with the LINE/TERM equipment and again measure the Vt–r dc.

This voltage will indicate the OFF HOOK voltage and should be the minimum voltage encountered under normal operation.

3. Now set the OFF HK vdc(min) parameter for a voltage between the two measured

voltages.

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AM8a Instruction Manual (18-0037) Auto and Manual Dialing

5. AUTO AND MANUAL DIALING

The AUTODIAL display provides a way for the operator to store ten dialed-number sequences, each with a maximum of 60 characters. The Autodial is active when the AUTO mode has been

selected, [SHIFT then

5.1 STORE AUTODIAL SEQUENCE

To store a dialing sequence in the Auto Dial:

1. Press [SHIFT] then [AUTO DIAL]. The display will indicate "AUTO DIAL MENU x" with a digit (0-9) flashing. The example below shows MENU 1 with all possible characters entered (30 characters per line; 60 characters maximum).

2. Use the you would like to have dialed automatically.

3. Enter dialed digits with the keys [1] through [9], [0], [*, KP], [#, ST], and redlabeled keys (requiring SHIFT-SHIFT) [A], [B], [C], or [D], depending on the dialing mode to be used, for the number you will later dial.

Digits will be displayed as entered, from left to right. For editing an existing number, use the (over the existing one).

VALUE

]. If AUTO has not been selected, all dialing will be Manual.

keys to select the desired MENU (0 - 9 or *) to enter the number

FIELD

keys to move to a specific digit, and enter the new digit

4. Special Autodial functions (such as WAIT DT, WAIT WINK, etc.) also shown in Red under the input keys may be entered. These functions are summarized in the table on the next page. Refer to 4.9.3 and 4.9.4 for the frequencies for the DTMF and MF (R1) tones.

5. After completing step 3 and/or 4, exit the Autodial Setup by selecting a different SETUP, or display EVENTS or METER.

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Auto and Manual Dialing (18-0037) AM8a Instruction Manual

Special Auto-Dial Functions

Auto Dial Character

P W – F U T SPACE

SHIFT-SHIFT

(Red LED)

1 2 3 4 5 6 7

AM8a

Function

WAIT DT (Wait for Dial-Tone) WAIT WINK WAIT (for 3 seconds) FLASH UNBALance (line) TOGGLE DIAL (TT, MF, DP, TT . . .) BLANK

5.2 SELECT AND USE AUTO DIAL SEQUENCE

1. The last Auto dial menu shown in the display determines the dialing sequence to be

used when dialing conditions are met (see 2). If desired, you may first recall a stored number by pressing [SHIFT] [RECALL] [(location)]. "Location" may be 0 through 9 for a previously stored sequence, or "*" to recall the last number dialed.

2. Select the EVENTS display mode.

3. Press SEIZE to go OFF HOOK.

4. If the AM8a is in AUTO mode, the selected sequence is automatically dialed when dialtone or the EXPECTED TYPE Start Signal is received.

NOTE: The AUTO ON/OFF time between DTMF or MF digits is set by the DTMF/MF,

EMULATE 2 menu described in sub-section 3.6.1. The characteristics of

pulse digits is set by the PULSE EMULATE menu described in sub-section

3.4.

5.3 MANUAL DIALING

1. If the AM8a is in EVENTS display, but not in AUTO mode, digits will be dialed as dialed-digit keys are pressed on the front panel. As the keys are pressed, the entered

February 10, 2000 0037-S05.L_

numbers will be stored in the last-number-dialed (*) location (replacing any digits from a previous dialing sequence). This number may be used later in an AUTO sequence, or in step 2, below.

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AM8a Instruction Manual (18-0037) Auto and Manual Dialing

NOTE: For DTMF or MF digits, the length of time a digit key is held determines the

ON time; the interval between releasing one digit key and pressing the next

digit key determines the OFF time between consecutive digits. For pulsedial digits, pressing the digit key will cause the AM8a to outpulse digits at SPEEDpps and BREAK% set by the PULSE EMULATE menu described in sub-section 3.4. Interdigit time may be longer than set by INTRDIGITms if the operator pauses between pressing keys .

2. A previously-stored number will be dialed when its location is RECALLed.

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AM8a Instruction Manual (18-0037) Meter Display

6. METER DISPLAY

The Meter Display section of the AM8a eliminates the need for a separate Digital Volt Meter while testing a circuit. The Meter Display allows the user to make AC and DC voltage measurements, current measurements, and tone measurements. Idle-channel noise measurements can also be made. When using the AM8a in a PCM mode, the Meter Display will also give framing information and dBdsx levels.

6.1 MEASURE/SCALE MENU

After the DISPLAY METER key is pressed, the MEASURE/SCALE menu will be displayed first. (typical analog measuring scale shown; other selections, such as "Tx1 Vcm dc..." may be displayed):

MEASURE SCALE MEASURE SCALE

Vt-r dc 100 Vr-g ac 5

This menu allows the user to select the measuring function of the meter. There are two MEASURE selections and two SCALE selections which are selected with the FIELD left or right

arrow keys (

• SCALE allows the user to select the full scale range for the meter graph.

FIELD

• MEASURE allows the user to select the DC or AC measurements.

). This allows DC and AC measurements to be made simultaneously.

Refer to 6.3 for the details on the connections for the different MEASURE selections which are selected by pressing the MENU down or up keys (

describes making measurements after having set the MEASURE and SCALE parameters.

). The next sub-section (6.2)

6.2 MEASURE DISPLAY (MAKING MEASUREMENTS)

The "INPUT" must be ON (SHIFT and [9]) in order to make valid measurements. Press the MENU up key to get the measure display. This display will have measurements appropriate to

the Measure menu. A typical display for analog SCALE and MEASURE selections, that corresponds to the selection under 6.1, follows (other displays are shown under 6.4.6, and 6.7 through 6.11).

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Meter Display (18-0037) AM8a Instruction Manual

Vt-r dc = - 48.1

Vr-g ac = 0.5 60.0 Hz

The mode and units of measure are indicated to the far left. The actual measured value is then displayed numerically as well as graphically. The DC graph's "0" point is in the center of the graph. For a negative measurement, the graph lies to the left. For positive measurements, the graph lies to the right. The SCALE should be set so the graph will obtain the best resolution based on the anticipated measurements.

6.3 METER SELECTIONS AND CONNECTIONS

Sub-sections 6.4 through 6.11 describe the different meter selections. The possible selections that can be used depend on the Trunk Type programmed in the CONFIG'N Setup menus which also determines which Front Panel jacks are active.

Figure 6-1 shows the cables that can be used to make measurements. Usually the 48–0062 cable(s) is used for Analog Measurements, while the 48-0047 and 48-0048 cables are used for PCM Measurements. The Bantam or PL310 plug may be plugged into jacks on a monitoring panel at a DSX.

NOTE: A 48-0131 (bantam to bantam) or 48-0157 (bantam to miniclip) Monitor

Cable should be used for RX monitor connections to a DSX if the DSX monitor jacks are not provided with isolating resistors. These cables have internal resistors and their external appearance is similar to those shown in Figure 6-1, except for identifying label.

The 48-0047 cable(s) is also used to interconnect the AM8a with an AM5XT via the TIMS TX/2W and RX jacks, for detailed measurements of circuit impairment. TIMS connections are described and illustrated in a separate sub-section.

Figure 6-2 illustrates the measurements that can be taken when the clip leads are connected to CO circuits if a 48-0062 cable is connected to the LOOP jack illustrated at the top of the Figure. This figure is designed to provide a quick reference for the user connecting the clip leads on the cable to the appropriate circuits of a line or trunk. Figure 6-3 similarly shows the E & M/SS Connections.

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AM8a Instruction Manual (18-0037) Meter Display

NOTE: Color codes for clip leads on 48-0062 cables have been revised from previous

issue to show cables manufactured after 7 May 1992. Further information on Figure 6-1.

Figure 6-4 shows the PCM1 and PCM 2 Connections. Because PCM connections at a CO are usually brought out to jacks for Bantam or 310 plugs, plugs are shown in this figure.

There are Pins on the rear panel DB-24F Connector, labeled LINE/TIMS, that correspond to the contacts on the front panel jacks. In Figures 6-2 through 6-4 these pin numbers are shown circled for ease of reference. There is also a rear panel binding post labeled CO GROUND in addition to the connections on the LINE/TIMS connector.

Rear-panel connections allow the user to "hard-wire" the AM8a into an exchange. The user must provide a cable wired to a matching DB 24M connector if the LINE/TIMS connector is to be used. A view of the rear panel (and connector pin identifications) is shown in Section 7.

BANTAM PLUG

sleeve

ring

tip

BANTAM PLUG

CABLE 48-0047, 6 FT.

CABLE 48-0048, 6 FT.

NOTE: Cables manufactured before 5/7/92 are Green (Ring - r) and RED (Tip - t) and will not have this color-code label

CABLE 48-0062, 6 FT.

BANTAM PLUG

310 PLUG

RED (Ring — r)

GREEN (Tip— t)

BLACK (Sleeve—g)

Figure 6-1. Cables for AM8a Front Panel Test/Meter Connections

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Meter Display (18-0037) AM8a Instruction Manual

10, <330>, 430 ohms

It(ma) dc

1615

CO Ground

Noise

are pin numbers on rear panel LINE/TIMS connector.

TX/2W RX

RX TX/2W

bridging

terminated

•

19 20

Vt–r

Tone,

AM8a Terminates line in Emulate Mode. Bridges line in Monitor mode.

TX RX TX/2W RX

PCM2

CAUTION: 10 VOLTS MAX

PCM1

TRUNK INPUTS

Vr–g

monitor

E/M

E & M

RED (Ring—r)

GREEN (Tip—t)

•

• • •

emulate

T/R

SB/SG

LOOP

TIMS

Connection made to TIMS TX/2W jack by the TIMS key ([SHIFT] [#, ST])

TX/2W RX

TIMS

To TIMS

(AM5XT Shown)

Vt–g

BLACK (Sleeve—g)

V cm

Figure 6-2. Loop/Ground Start and DID Analog Test/Meter Front Panel Connections

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AM8a Instruction Manual (18-0037) Meter Display

Figure 6-3. E & M and SF Test/Meter Front Panel Connections

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For rpt 1 to 2 or rpt 2 to 1: Unselected channels are passed in MODE emulate. All channels are passed in MODE monitor.

are pin numbers on

rear panel LINE/TIMS connector.

(R)

(T)

ring

tip

Internal CHANnel Selection and De-multiplexing. Z for TIMS is set by IMPEDANCE menu.

TX RX TX/2W RX E/M SB/SG

PCM2

CAUTION: 10 VOLTS MAX

ON, OFF, REVerse connection made to TIMS

Jacks by the TIMS key ([SHIFT] [#, ST])

PCM1

E & M

TRUNK INPUTS

PCM 2

n. c.

SLCç ALARM, PROTECTION, MAINTENANCE for SLC

(R1)

(T1)

RX 2 dBdsx

ring

tip

PCM 2

n. c.

(R)

(T)

ring

tip

PCM 1

n. c.

SLC

ç ALARM, PROTECTION,

MAINTENANCE for SLC

(R1)

RX 1 dBdsx

(T1)

ring

tip

PCM 1

n. c.

* CHANnel –97 to monitor SLC®96 II Activity Messages on 4Kbps data channel

rev (monitor only)

•

T/R

LOOP

To TIMS TX/2W

Select CHANnel 0, 1 to 24; -1 to -96, -97 *

TX t–r

PCM TX/RX FRAME SYNC PCM 2 BPV...BLUE TX or RX a,, b bits

Select CHANnel 0, 1 to 24; -1 to -96, –97 *

RX t–r

Select CHANnel 0, 1 to 24; -1 to -96, –97 *

TX t–r

PCM TX/RX FRAME SYNC PCM 1 BPV...BLUE TX or RX a, b bits

Select CHANnel 0, 1 to 24; -1 to -96, –97 *

RX t–r

off

20 17 18

TX/2W

TIMS

TX2 TONE NOISE

Repeat (2)

RX2 TONE NOISE

Repeat (2)

TX1 TONE

NOISE

Repeat (1)

RX1 TONE NOISE

Repeat (1)

•

RX Jack s

Figure 6-4. PCM T1/SLC®96 Test/Meter Front Panel Connections

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AM8a Instruction Manual (18-0037) Meter Display

6.4 LOOP START, GROUND START, DID – ANALOG MEASURE

The measurements described in sub-sections 6.4.1 through 6.4.6 are made at the LOOP jack on the front panel using a 48-0062 cable. The DC and AC MEASURE selections described are listed below in the order presented (beginning at top of left column) as the MENU up key is pressed:

Description of Measurements

Tone ac tip-ring tone (dBm and Hz) Vt-r dc Vt-r ac tip-ring voltage Vcm dc Vcm ac tip & ring common mode Vt-g dc Vt-g ac tip-ground voltage Vr-g dc Vr-g ac ring-ground voltage It(ma) dc tip (loop) current

6.4.1 V t-r dc or ac: These selections place the meter across the Tip and Ring leads of the

Loop input jack (the line). DC measurements result in the voltage displayed numerically and on the bar graph. AC measurements display the voltage numerically and graphically and give a frequency measurement.

6.4.2 V cm dc or ac: These selections measures the voltage difference or delta between the

Tip and Ring leads (∆V) of the LOOP input jack. The differential voltage measured is referenced to CO ground which is connected to the sleeve lead, or can be connected to a binding post on the rear of the unit.

6.4.3 V t-g dc or ac: These selections place the meter across the Tip lead with reference to

the Ground supplied on the sleeve of the LOOP input jack. The measurements are displayed in the same manner as V t-r measurements.

6.4.4 V r-g dc or ac: These selections place the meter across the Ring lead with reference to

the Ground supplied on the sleeve of the LOOP input jack. The measurements are displayed in the same manner as V t-r measurements.

6.4.5 It (mA) dc: This selection places the meter in series with the Tip lead of the LOOP input

jack. The measurement will be displayed numerically and graphically representing the Loop current being drawn by the Terminal/Line equipment.

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Tone = - 10 dBm 1004 Hz

Vt-r dc = - 38.9

The current measurement circuit has a 500mA slow blow fuse in series with the Tip sense circuit. Excessive current will open the fuse and disable the current measurements. See Section 1 for instructions on fuse replacement.

When performing current measurements, holding resistance of 10Ω, 330Ω, or 430Ω can be selected. With the two higher-resistance settings, the measured current may drop after 10 minutes hold time due to heating of the line feed inductor.

6.4.6 Tone: This selection is used to measure Level and Frequency of Tones present on the

Tip and Ring of the LOOP input jack. The Level is displayed in dBm and the frequency is displayed in Hz. A measured value of "UNDER" in the Level display indicates the measurement is lower than the acceptable limit. (dBm < -40). The measure display for the tone selection is as follows:

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6.5 E & M and SF – ANALOG MEASURE

For E & M the measurements described in sub-sections 6.5.1 through 6.5.5 are made at the E & M jacks labeled TX/2W, RX, E/M and SB/SG on the front panel. For SF only the TX and RX

jacks and measurements apply. Use as many 48–0047, 48-0048, or 48–0062 cables as are needed. The DC and AC MEASURE selections described are listed below in the order presented (beginning at top of left column) as the MENU up key is pressed:

Description of Measurements TX Tone transmit tip-ring tone (dBm and Hz) RX Tone receive tip-ring tone (dBm and Hz)

TX Vt-r dc TX Vt-r ac transmit tip-ring voltage TX Vcm dc TX Vcm ac transmit tip & ring common mode RX Vt-r dc RX Vt-r ac receive tip-ring voltage RX Vcm dc RX Vcm ac receive tip & ring common mode Ve dc Ve ac E-lead tip-ground voltage Vsg dc Vsg ac SG-lead ring-ground voltage Vm dc Vm ac M-lead ring-ground voltage Vsb dc Vsb ac SB-lead tip-ground voltage

6.1.1 TX Vt-r or RX Vt-r, dc or ac: These selections connect the meter across the Tip and Ring

leads of the E & M TX/2W or RX jack. DC measurements result in the voltage displayed numerically as well as on the bar graph. AC measurements display the voltage numerically and graphically, and also give a frequency measurement.

6.5.2 TX Vcm or RX Vcm, dc or ac: These selections measure the voltage difference or delta

between the Tip and Ring leads (∆V) of the E & M TX/2W or RX input jack. The differential voltage measured is referenced to CO ground which must be connected to a binding post on the rear of the unit.

6.5.3 Ve or Vm, dc or ac: These selections place the meter across the E or M lead with reference to the Ground supplied on the sleeve of the E/M input jack. DC measurements result in the voltage displayed numerically as well as on the bar graph. AC measurements display the voltage numerically and graphically and also give a frequency measurement.

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6.5.4 Vsb or Vsg, dc or ac: These selections place the meter across the SB or SG lead with reference to the Ground supplied on the sleeve of the SB/SG input jack. DC measurements result in the voltage displayed numerically as well as on the bar graph. AC measurements display the voltage numerically and graphically and also give a frequency measurement.

6.5.5 TX Tone or RX Tone: These selections are used to measure Level and Frequency of Tones present on the Tip and Ring of the TX/2W or RX input jack. The Level is displayed in dBm and the frequency is displayed in Hz. A measured value of "UNDER" in the Level display indicates the measurement is lower than the acceptable limit (dBm < -40). The tone display is similar to the one shown under 6.4.6.

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6.6 E & M and SF – ANALOG MEASURE

The measurements described in sub-sections 6.6.1 through 6.6.7 are made at the PCM1 jacks labeled TX/2W and RX, and the PCM2 jacks labeled TX or RX on the front panel. Use as many 48-0047, or 48-0048 cables as are needed. The MEASURE selections described are listed in the order presented (beginning at top of left column) as the MENU up key is pressed:

Description of Measurements TX1 Vcm dc TX1 Vcm ac PCM1 Transmit tip & ring common mode RX1 dBdsx PCM1 Received tip-ring bipolar amplitude RX1 Vcm dc RX1 Vcm ac PCM1 Receive tip & ring common mode TX2 Vcm dc TX2 Vcm ac PCM2 Transmit tip & ring common mode RX2 dBdsx PCM2 Received tip-ring bipolar amplitude RX2 Vcm dc RX2 Vcm ac PCM2 Receive tip & ring common mode TX1 Tone PCM1 Transmit CHANnel tone (DBm and Hz) RX1 Tone PCM1 Receive CHANnel tone (DBm and Hz) TX2 Tone PCM2 Transmit CHANnel tone (DBm and Hz) RX2 Tone PCM2 Receive CHANnel tone (DBm and Hz)

6.6.1 TX1 Vcm or TX2 Vcm, dc or ac: These selections measure the voltage difference or

delta between the Tip and Ring leads (∆V) of the PCM1 TX or PCM2 TX input jack. The differential voltage measured is referenced to CO ground which can be connected to a binding post on the rear of the unit.

6.6.2 RX1 Vcm or RX2 Vcm, dc or ac: These selections measure the voltage difference or

delta between the Tip and Ring leads (∆V) of the PCM1 RX or PCM2 RX input jack. The differential voltage measured is referenced to earth ground rather than CO ground. The differential voltage measured is referenced to CO ground which can be connected to a binding post on the rear of the unit.

6.6.3 TX1 Tone or TX2 Tone: These selections are used to measure Level and Frequency of

Tones present on the selected channel of the PCM1 TX or PCM2 TX input jack. The Level is displayed in dBm and the frequency is displayed in Hz. A measured value of "UNDER" in the Level display indicates the measurement is lower than the acceptable limit. (dBm < -40).

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6.6.4 RX1 Tone or RX2 Tone: These selections are used to measure Level and Frequency of

Tones present on the selected channel of the PCM1 RX or PCM2 RX input jack. The Level is displayed in dBm and the frequency is displayed in Hz. A measured value of "UNDER" in the Level display indicates the measurement is lower than the acceptable limit. (dBm < -40).

6.6.5 RX1 dBdsx or RX2 dBdsx: These selections are used to measure the received bipolar

amplitude of the PCM signals from the DSX bay at the PCM1 RX or PCM2 RX jack. The measured value is dependent on the Test Set MODE of the AM8a as described in 6.6.6 and 6.6.7.

6.6.6 RX1 dBdsx or RX2 dBdsx in Emulation Mode: When in EMULATE, the PCM1 or PCM2 RX jack is connected to the RX jack at the DSX. The measurement will have zero gain compensation added to the measurement.

6.6.7 RX1 dBdsx or RX2 dBdsx in Monitor Mode: When in MONITOR, the AM8a PCM1 or PCM2 RX jack is connected to the DSX Monitor jack. The measured value will have a

gain compensation added to compensate for the signal attenuation of the 430Ω resistors in the DSX monitor jack.

NOTE: This applies also to measurements made while in a Drop & Insert

Configuration (Rpt 1 to 2 or Rpt 2 to 1) since Drop & Insert also must have both RX jacks connected to the Monitor jacks of the DSX.

6.7 NOISE MEASURE

This MEASURE display is available for all Trunk types.

NOISE 65 dBrn INPUT TX FILTER CMSG

The display measures the Idle-Channel Noise between Tip and Ring of any selected LOOP, RX or TX jacks, except for PCM. On PCM, the measurement is made internally on any of the 24 selectable TX or RX channels.

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PCM2 : BPV FERR CRC SLIPS YELLOW BLUE CNT 64 8 0 0 0 0

PCM1 :

STATUS :

BLUE

YES

YELLOW

YES

PCM2 :

STATUS :

YELLOW

YES

BLUE

YES

There are two filters available for noise weighting of the noise measurement. The FLAT filter will have 0 dB of attenuation of the noise on the line up to 3500 Hz. The CMSG filter has weighting characteristics that are suitable for voice circuits.

6.8 PCM 1 and PCM 2 BIPOLAR VIOLATION (COUNT AND STATUS) MEASURE

There are two count (CNT) measure displays for the number of Bipolar Violations, Frame Errors, CRC errors, Slips, Yellow, and Blue alarms.

Two additional STATUS displays indicate if BLUE or YELLOW alarm conditions have occurred. These displays are for measurements taken at the PCM1 or PCM2 TX or RX jacks and are shown in the order of MENU up arrow selection:

PCM1 : BPV FERR CRC SLIPS YELLOW BLUE CNT 512 8 0 0 0 0

Sub-sections 6.8.1 through 6.8.6 describe each measurement on the CNT displays, and subsections 6.8.7 and 6.8.8 describe the measurements on the STATUS displays.

6.8.1 BPV: counts in increments of 64. This results in a change for every 64 BPV occurrences. A BPV occurs when two consecutive "1" pulses have the same polarity.

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6.8.2 FERR: counts frame errors in increments of 4. The result is a change every fourth Frame error. A Frame error occurs when an incorrect bit occurs as the frame bit.

6.8.3 CRC: is used only in an ESF framing mode. The resolution of the counter is 1. A CRC is counted when the calculated CRC on the receiver (AM8a) does not match the CRC sent as part of the next ESF.

6.8.4 SLIPS: counts the number of times there is an insertion or deletion of data bits in the data stream. A slip is commonly due to buffer overflow or underflow of the network equipment.

6.8.5 YELLOW: counts the number of yellow alarms received from the transmitting equipment indicating the loss of synchronization to its received signal. The AM8a will count a yellow alarm when this condition exists for more than 600ms. Once the yellow alarm condition is removed, the condition must be absent for a 200ms blanking interval. The conditions for YELLOW are:

• For D3/D4 framing, bit 2 set to a "zero" for all 24 time slots.

• For ESF, the yellow alarm is generated by a 16 bit stream, 8 "1" bits followed by 8

"0" bits. The same timing conditions as D3/D4 are used.

6.8.6 BLUE: counts the number of blue alarm conditions detected. The blue alarm is present when two (2) frames of "1" bits and an out-of-frame condition exists.

6.8.7 STATUS BLUE: is YES when the receiver has detected two (2) frames of "1"s and an out-of-frame condition (refer to 6.8.6, above).

6.8.8 STATUS YELLOW: is YES when the receiver has detected a "0" in the bit 2 positions of every DS1 channel (for further definition refer to 6.8.5).

6.9 PCM 1 OR PCM 2 FRAME SYNC MEASURE

This display allows the user to monitor the phase relationship between the spans connected to the PCM1 RX and TX jacks or the PCM2 RX and TX jacks. The indication should remain stable without any change or jitter occurring.

PCM TX FRAME SYNC: PCM RX FRAME SYNC:

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The user may align the indicators by pressing [SHIFT] then [CANCEL] for better comparison. This display is also used for Drop & Insert (Rpt 1 to 2 or Rpt 2 to 1) testing.

6.10 PCM 1 OR PCM 2 TX OR RX A/B MEASURE

This display provides a view of the signaling bits of all 24 time-slots for both the transmit and receive T1 and SLC®96 I (Mode I) Spans.

CAUTION: This display is only valid when the AM8a is in MONITOR mode. Readings

are meaningless in EMULATE mode.

TX A B RX A B

An A-bit or B-bit indication, shown by a shaded rectangle, means that the time-slot is active. Time-slot 01 is the bit to the far left and time-slot 24 is to the far right of the display.

Dots are displayed in all bit positions (shown for illustration only in slot 7-12 locations) if the AM8a is in an invalid mode for this display.

This display is useful for locating an idle voice channel before running Drop & Insert tests. Select a time-slot which displays inactive status in monitor mode before the selection of emulate mode to run the test (Rpt 1 to 2 or Rpt 2 to 1).

6.10.1 T1 Time-Slot to Voice Channel Assignment: For T1 spans, the time-slot is equivalent to

the channel number. This display is not used for SLC®96 Mode II.

6.10.2 SLC®96 Mode I Time-Slot to Voice Channel Assignment: Refer to Figure 6-5 for the

assignment of voice channels to time slots for SLC®96 Mode 1.

6.10.3 SLC®96 Mode II Time-Slot to Voice Channel Assignment: The TX or RX A/B Measure

display is not useful for SLC®96 Mode II. Assignment of Time-Slots to Voice Channels is dynamic in SLC®96 Mode II. To determine which voice channel is active, refer to the Concentrator Field Message (a and b events) which can be monitored on the data link (CHAN=–97). For further details refer to Sections 1.2.2, 2.5.3, and

2.5.4.

• • • • • •

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NOTE: Active RX and TX test channels and time slots can also be determined by

display of the Maintenance Message, described in sub-section 6.11.3.

®96 Mode I Channel Number Assignment by Shelf

Time Slot

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

SLC

01 13 02 14 03 15 04 16 05 17 06 18 07 19 08 20 09 21 10 22 11 23 12 24

25 37 26 38 27 39 28 40 29 41 30 42 31 43 32 44 33 45 34 46 35 47 36 48

C D 49

61 50 62 51 63 52 64 53 65 54 66 55

67 56 68 57 69 58 70 59 71 60 72

73 85 74 86 75 87 76 88 77 89 78 90 79 91 80 92 81 93 82 94 83 95 84 96

CHAN parameter in PCM CONFIG 1 menu selects either Time Slot or Channel Number (prefaced by – sign). 0-entry will cause monitoring of first time slot that becomes active (assigned channel goes off-hook).

Figure 6-5. SLC®96 Mode 1 Channel Number to Time Slot Assignments

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6.11 SLC®96 MODE I OR II MESSAGES

When the AM8a is monitoring the RX or TX lines of a SLC®96 I or II (Mode I or Mode II) PCM link, three additional metering displays are available. These displays are the result of the decoding of bits in the PCM data stream.

NOTE: A SLC®96 RX line or TX line is also referred to as a "half-span" in some PCM

descriptions.

6.11.1 ALARM TX or RX: provides an indication of alarm conditions detected on the link. For

both TX and RX, there are two variations of the metering format. The one displayed is dependent on how the monitored switch is equipped.

The upper display shows 15 conditions which can be reported by the position of an "A". The lower display shows 10 conditions. (In an actual display both lines will usually have the same format.)

Figure 6-6 shows the display and identifies the Alarm Conditions. This is a dynamic display which will change as alarms occur. Alarm messages also will be printed via the RS 232 port.

Not Used Not Used Not Used Major Alarm Minor Alarm

ALARM TX ALARM RX

09/21/93

Power/Misc. Alarm

A-Shelf Alarm

B-Shelf Alarm C-Shelf Alarm D-Shelf Alarm

– – – AA AA – – – – – – – –

– – AA – – – – – – – –

A-Line Far-End Loop B-Line Far-End Loop C-Line Far-End Loop D-Line Far-End Loop P-Line Far-End Loop

Figure 6-6. SLC®96 Alarm Conditions Meter Display

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6.11.2 PROTECTION TX or RX: provides an indication of protection settings for the link.

Figure 6-7 shows the display and interprets the conditions represented by the "0" or "1" states of the display.

PROTECTION TX

PROTECTION RX

display

1111 1110 1101 1100

1010 0101 0100 0010

IDLE SWITCH LINE A RECEIVE SWITCH LINE B TRANSMIT SWITCH LINE C TRANSMIT

SWITCH LINE D TRANSMIT SWITCH LINE B TRANSMIT & RECEIVE SWITCH LINE C TRANSMIT & RECEIVE SWITCH LINE D TRANSMIT & RECEIVE

1111

Message

Figure 6-7. SLC®96 Alarm Conditions Meter Display

6.11.3 MAINTENANCE TX or RX: provides a display of status of maintenance messages for

the link. The interpretation of the RX and TX displays depends upon whether the unit is functioning as a te/line (RT) or as a switch (LDS).

Figure 6-8 shows the display, and interprets the conditions represented by "0" or "1" states for either direction. This display also shows the channels and time-slot assignments during the test operation.

TEST ALARM CR

PROCEED CR

ON HOOK

0=No message 1=RX/TX Message from LDS to RT

MAINTENANCE TX

MAINTENANCE RX

111 000

CHNL=xx TS=xx

Channel Test

00= inactive 01 - 48 = Channel

Time Slot

00= inactive 01 - 24 = Time Slot

0=No message

RX/TX Message from RT to LDS1=

SEIZE

PROCEED RC

TEST ALARM RC

NOTE:

LDS means Local Data Switch RT means Remote Terminal

Figure 6-8. SLC®96 Alarm Conditions Meter Display

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6.11.4 SLC®96 II Concentrator Field Messages: can be displayed as events when monitoring

operations between a remote terminal (RT) and a local data switch (LDS). Events are generated as trunks are assigned or de-assigned, loop tests are run, and activities are reported and updated. The 4kBps data channel (CHAN=–97) must be selected. Refer to Sections 1.2.2, 2.5.3, and 2.5.4.

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7. RS232 ENTRIES AND PRINTOUTS

This section describes the RS232 commands that are equivalent to functions actuated by keys on the AM8a front panel. Also described are the printouts of SETUP menus, EVENTS/DETAILS, METER displays, LED displays, and AUTO PRINT reports. Finally, this section describes the RS232 connections for a terminal and for chained operation of more than one unit.

7.1 RS232 COMMAND DESCRIPTION

Functions activated by front panel keys (described in the previous sections) may also be executed by a terminal or computer connected to the RS232 port on the rear panel. The following rules apply to RS232 Commands:

• An RS232 command is initiated by a "(" and executed when a ")" is received. The

")" may also be used alone to repeat the last command sent. Only the characters between the "(" and the ")" are recognized as a command. (Other control characters, such as carriage return <CR> and line feed <LF> are not required and will be ignored.)

• An "=" sign precedes a value change in SETUP commands.

• A help menu may be displayed by typing "?". As directed in the menu, "1" through

"6" can then be typed to get additional information.

• The AM8a echoes all characters received after it has processed them. The echo may

be disabled if required, but leaving echo enabled is recommended while computer downloading, for output control and error checking purposes.

• A computer's down-load program should be setup to wait for the echo of the

previously sent character prior to sending the next character. This ensures the AM8a has had adequate time to process the command and prevent a buffer overflow. This also prevents loss of data which may cause down-load failure.

• The first letter of many commands corresponds to pressing a key on the front panel for that function (e.g. "C for CONFIG'N, "E" for EMULATE, "A" for ANALYZE). Other commands may abbreviate a key and its action e.g: "SZ+" for SEIZE ON).

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• Front panel key actions which are alternate-action toggles are controlled by a "+" for ON or "–" for OFF. For PCM monitoring, the TIMS key has a three-position selection that uses a "#", (e.g: "TI+" for TIMS ON, "TI#" for TIMS reverse jack connections, and "TI–" for TIMS OFF).

• Display menus will change as some commands are entered (unless the display has been deactivated by an "(AY-)" command). A display can be printed with a (PDS) printdisplay command.

• If units are chained, the command "!u" (where u=A through O corresponding to units 1 through 15) must precede commands to the unit (refer to 7.3.3).

7.1.1 Terminal Commands: The RS232 terminal commands are shown in Figure 7–1. These

commands do not correspond to keys on the unit. They control the interaction between the terminal (or computer) and the RS232 port. Refer to 7.3.2 for information on connecting terminal to unit.

7.1.2 Printer Commands: (PDS) and other commands for printing are listed in Figure 7-2.

This figure also identifies equivalent front panel actions. The formats of the printouts are shown in the Figures described under 7.2.

7.1.3 SETUP Menu Commands for CONFIG, EMULATE, and ANALYZE: The RS232 SETUP

Menu commands are listed Figures 7-3, 7-4, and 7-5, which also provide a quick reference to the Section 2, 3, and 4 sub-sections that provide detailed descriptions of menu displays and parameter entries. These commands are the equivalent to front panel key actions after the operator activates the [CONFIG'N], [ANALYZE], or [EMULATE] key functions.

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7.1.3.1 Display Menu: To display a menu, type a command that corresponds to any

parameter within that menu. The menu will then be displayed on the AM8a. For example: (CTD) or (CEM) displays the MODE CONFIGURE menu.

7.1.3.2 Change Parameter: To change a parameter, find the command that sets the

parameter within a menu. Type the command then an equal "=" sign. After the equal sign there are two kinds of values that can be entered, followed by the closing ")".

• A Code Value: This is a code from 00 through 07 (leading "0" may be omitted).

Each code corresponds to a parameter setting that is not numeric, for example (refer to Figure 7-3):

(CTD=00) or (CTD=0) sets MODE CONFIG: IMITATE to te/line (CTC=02) or (CTC=2) sets PCM: FRAMING to SLC®96

• A Numeric Value: This is an entry that directly sets a numeric value into the

parameter, for example: (CSM=1200) sets the CIRCUIT: ANALOG IMPEDANCE to 1200 ohms

7.1.3.3 Print Menu: If not already displayed, the menu with the changed parameter must be

displayed by a (PDS) command. For example, if the DISPLAY CONFIG menu containing CONTRAST was not displayed when the (CCT=3) command was entered, type (CCT). To print the displayed menu, follow with (PDS), and the menu will be printed, showing the parameter value that has been entered:

DISPLAY: MODE CONTRAST BACKLIGHT CONFIG: new call reset 3 on 5min

7.1.4 AUTO DIAL Setup Commands: The AUTO DIAL Setup key on the front panel permits the

operator to enter up to 10 sequences of auto dialing (also referred to as "Speed Dial"). Details on AUTO DIAL are provided in Section 5. The RS232 equivalents for setting, storing, recalling, and dialing AUTO DIAL numbers are shown in Figure 7-6. Also shown are other commands related to dialing as well as the equivalent characters that are typed for the Data Entry keys for dialed digits (and other dialing sequence operations).

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7.1.5 ON-OFF (Control Toggle) Commands: The RS232 commands that simulate the toggle

action of the keys on the lower-left of the front panel are shown in Figure 7-7. The "+", "–", and "#" characters following the command letters represent ON status, OFF status, and (for PCM monitor) reversed inputs. Refer to Section 1 for further description of the key functions.

7.1.6 CALL INITIATE (Signaling) Commands: The RS232 commands that simulate the actions

of the keys in the upper right side of the front panel are shown in Figure 7-8. The "+", and "–" keys are used to indicate the key states.

7.1.7 EVENTS DISPLAY Commands: The RS232 commands that simulate the actions possible

after the EVENTS DISPLAY function on the front panel has been activated, are shown in Figure 7-9. The commands permit the selection of a given event for detail printout, provide simulation of the

FIELD

keys on the front panel, and simulate the FREEZE

and CANCEL keys.

7.1.8 METER DISPLAY Commands: The RS232 commands that simulate the key actions after

the METER DISPLAY function has been selected are shown in Figure 7-10. The MENU and MEASURE selections possible are dependent on the CIRCUIT CONFIGURE selections.

Table 7-1. RS232 Terminal Commands

COMMAND DEFINITION

(Lxxx…x) Log On with password xxx…x: A password is required if the setting of the

CONFIG’N PASSWORD menu is YES. If NO, a password is not required, and the AM8a acts on RS232 commands as soon as a “?” or “(“ character is received. Setting of the password is described at the end of this table. (The user may “white it out” of this manual, if desired.)

(B) Log Off (“Bye”): This command should be entered as soon as the operator is

finished with entering RS232 commands. In any case, there is an automatic Log off if there is no activity at the RS232 port for a period of two minutes. This is only required with passwords.

(EC+) Echo On: This is the default status for the RS232 entries. When echo is on, every

character received by the AM8a (on the RX line) results in the AM8a returning the command on its TX line. A terminal set in full-duplex mode will print the character, thereby acknowledging that the AM8a has received it. If commands are output from a computer, the computer program should be written to wait for the echoed character and check it.

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COMMAND DEFINITION

(EC-) Echo Off: When echo is off, the AM8a will not echo received characters. A terminal

will have to be set to half-duplex so the operator can monitor what is being entered. This mode could be used for a high-speed dump of commands by a computer, but is not recommended because error-checking cannot be implemented.

(AY+) Enable front panel display and keypad: This is the default status for the AM8a.

Any entry made at the keypad or via the RS232 port is displayed. When in operation as a line monitor or emulator, events are displayed.

(AYK) Disable front panel keypad: This is a “safety” setting which prevents a local

operator at an AM8a from using the keypad to change entries made via the RS232 port; however, the display remains active.

(AY-) Disable front panel display and keypad: This command disables both the display

and the keypad. No further events or entries from the RS232 port will be displayed. If this command is entered, the only way to control or monitor the AM8a is through the RS232 port.

(AXYZxxx.x) Set new password xxx…x: The password is 30 characters maximum and can not

contain the characters “,”. “!”, or “?”.

Table 7-2. RS232 Printing Commands

COMMAND DEFINITION

(PDS) Print Display Screen: This command prints both lines of any display which has been

called up by a preceding command.

(PFL) Print Front Panel LEDs: DISPLAY/SETUP mode, INPUT, TIMS, TALK, and AUTO

indicators. Prints the status of the LEDs as ON or OFF. It is equivalent to looking at LEDs on the front panel.

(PET) Print Events Top Line: This command prints the string of events that are displayed

on the Top Line of the display. It is equivalent to pressing [SHIFT] then [PRINT] briefly (short print) while the EVENTS DISPLAY function is activated.

(PEB) Print Event Both-lines: This command prints Events and Details. It is equivalent to

pressing PRINT for two seconds (long print) while the EVENTS DISPLAY function is activated.

(PMO) Print Meter Only: This command forces display of the first METER menu and prints

all meter displays that apply to the METER settings.

(PCO) Print Configuration Only: This command prints all configuration parameters. It is

equivalent to pressing [SHIFT] then [PRINT] briefly (short print) while the SETUP CONFIG’N DISPLAY function is activated.

(PEO) Print Emulate Only: This command prints all emulation parameters. It is equivalent

to pressing [SHIFT] then [PRINT] briefly (short print) while the SETUP EMULATE function is activated.

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(PAO) Print Analyze Only: This command prints all analyze parameters. It is equivalent to

pressing [SHIFT] then [PRINT] briefly (short print) while the SETUP AUTO DIAL function is activated.

(PSO) Print Speed/Auto Dial Only: This command prints current auto-dial number. It is

equivalent to pressing [SHIFT] then [PRINT] briefly (short print) while the SETUP ANALYZE function is activated.

(PAL) Print All SETUP: This command prints all parameters that are appropriate to the

configuration and operating mode. It is equivalent to pressing [SHIFT] then [PRINT] for two seconds (long print) while any of the SETUP functions are activated.

(POM=nn) Print One Memory (where nn = 0-19 for Configure parameters, nn = 20-39 for Emulate

and Analyze parameters, or nn = 40 for all Power Off Recall parameters. This command could be issued after doing a store command (Znn). This command is not the same as doing a recall (Rnn) followed by a (PAL), since operating parameters are not changed.

Table 7-3. RS232 CONFIGuration Menu Commands

COMMAND DEFINITION

(R0) – (R19) RECALL CONFIG’N SETUPs from location ID 0 through ID 19. [SHIFT] + [RECALL]

+ [location ID] keys.

(R40) RECALL all SETUPs from last power down. [SHIFT] + [RECALL] + [*] keys. (Z0) – (Z19) STORE CONFIG’N SETUPs from location ID 0 through ID 19. [SHIFT] + [STORE] +

[location ID] keys.

(CTD) MODE: IMITATE. (CTD = 00) for te/line. (CTD = 01) for <switch>. 2.1.1 (CEM) MODE: MODE. (CEM = 00) for emulate. (CEM = 01) for <monitor>. 2.1.2 (CIR) CIRCUIT: ANALOG IMPEDANCE. (CIR) = 135, 600, <900>, or 1200. 2.2.1 (CTA) CIRCUIT: ANALOG/PCM. (CTA = 00) for analog, (CTA = 01) for pcm int clk, (CTA =

02) for <pcm loop clk>. 2.2.2

(CTC) PCM: INPUT. (CTC = 00) for <pcm1 on>, (CTC = 01) for pcm2 on, (CTC = 02) for

rpt1 to 2, (CTC = 03) for rpt2 to 1. 2.3.1 (1)

(CFM) PCM: FRAMING. (CFM = 00) for <D3/D4>, (CFM = 01) for ESF, (CFM = 02) for

SLC®96 I, (CFM = 03) for SLC®96 II. 2.3.2 (1)

(CZS) PCM: ZEROSUP. (CZS = 00) for B8ZS, (CZS = 01) for ZCS, (CZS = 02) for <AMI>.

2.3.3 (1)

(CTH) PCM: CHAN. (CTH = 00) for Channel <0> (random), (CTH = 24) to Channel 24,

(CTH = -97) for SLC® Data link monitor, (CTH = -1) for SLC® Channel 1, (CTH = -

96) to Channel 96. 2.3.4 (1)

(CS1) PCM: OFF HK a/b. (CS1 = 00) for <auto>, (CS1 = 01) for 0/0, (CS1 = 02) for 0/1,

(CS1 = 03) for 1/0, (CS1 = 04) for 1/1, (CS1 = 05) for 0/X, (CS1 = 06) for 1/X, (CS1 =

07) for X/0, (CS1 = 08) for X/1, (CS1 = 09) for. 2.3.5 (2)

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(CS2) PCM: ON HK a/b. See CS1 list. 2.3.5 (2) (CTT) TRUNK: TRUNK TYPE. (CTT = 00) for loop start, (CTT = 01) for ground start, (CTT

= 02) for E&M 2W, (CTT = 03) for <E&M 4W>, (CTT = 04) for did, (CTT = 05) for sf.

2.4.1

(CST) TRUNK: SLC® TYPE. (CST = 00) for <SINGLE PARTY>, (CST = 01) for

UNIVERSAL V G. 2.4.2

(CET) TRUNK: E&M TYPE. (CET = 00) for <I>, (CET = 01) for II, (CET = 02) for III, (CET =

03) for IV. 2.4.3

(CDM) DISPLAY: MODE. (CDM = 00) for manual, (CDM = 01) for <new call reset>, (CDM

= 02) for scroll. 2.5.1

(CDI) DISPLAY: DIG DET. (CDI = 00) for wide, (CDI = 01) for <narrow>, (CDI = 02) for

limit. 2.5.2

(CSM) DISPLAY: SLC® MSG. (CSM = 0000000000) to (CSM = 1111111111) for

0000000000 to <0000000001> to 1111111111. 2.5.3 (CMK) DISPLAY: “T/t” MASK. (CMK = 00) for <NO>, (CMK = 01) for YES. 2.5.5 (CBR) RS232: BAUD RATE. (CBR) = 300, 1200, 2400, or <9600>. 2.6.1 (@) (CPT) RS232: PARITY. (CPT = 00) for <NO>, (CPT = 01) for ODD, (CPT = 02) for EVEN.

2.6.2 (@)

(CCD) RS232: CR DELAY sec. (CCD = 0) for <0> to (CCD = 99) for 99 sec. 2.6.3 (@) (CPW) SECURITY: PASSWORD. (CPW = 00) for <no>, (CPW = 01) for yes. 2.7.1 (@) (CSU) SECURITY: SETUP PROTECT. (CSU = 00) for no, (CSU = 01) for <yes>. 2.7.2

(@) (CAE) PRINT: AUTO< PRINT. (CAE = 00) for <off>, (CAE = 01) for all calls, events onlyt,

(CAE = 02) for all calls, events & details, (CAE = 03) for flawed calls, events only,

(CAE = 04) for flawed calls, events & details. 2.8.1 thru 2.8.5

(CMM) CLOCK: DATE/MM. (CMM = 1) for 1 to (CMM = 12) for 12 (month). 2.9 (@) (CDD) CLOCK: DATE/DD. (CDD = 1) for 1 to (CDD = 31) for 31 (day of month). 2.9 (@) (CYY) CLOCK: DATE/YY. (CYY = 0) for 0 to (CYY = 99) for 99 (last 2-digits of year). 2.9

(@) (CHH) CLOCK: TIME/HH. (CHH = 0) for 0 to (CHH = 23) for 23 (hour). 2.9 (@) (CMT) CLOCK: TIME/HH. (CMT = 0) for 0 to (CMT = 59) for 59 (minutes). 2.9 (@) No RS232

Command

AM8a: CPU DSP0 DSP1

105 100 100

Version is local display 2.10

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The first two RS232 commands are equivalent to the RECALL and STORE key functions on the front panel for SETUP selected. The remaining commands are listed in the order of the equivalent AM8a front panel LCD menu displays as the MENU, FIELD, and VALUE keys are pressed.

The block to the right of the command shows menu text (sufficient for identification) and the selection-alternates (as displayed). Default values (factory-supplied) are shown within “<>”; not part of the menu display.

A command begins with an “(“ followed by a three-letter code and, optionally, an “=” sign, and either a two-digit code or a parameter value. A command ends with a “)”.

To display a menu, type only a command code for a parameter on the menu; e.g., (CTD) or (CEM) for the TEST SET: … menu. To print the menu, type the print-display command, (PDS).

To change a parameter, type the command for the parameter, an “=” sign, and a code value (leading 0 may be omitted). E.g., (CTD=1) to set the MODE:IMITATE to “switch”; or a parameter value, e.g., (CTH=5) to set the PCM:CHAN to channel 5. Parameter change commands will not display the menu. If the menu is already displayed, the change will be seen.

To display a menu that has been changed, enter the display command; e.g., (CTH), type the print-display command (PDS).

Manual subsection numbers where the parameter is described in detail are shown in bold type following the parameter description; e.g., 2.1.1. A (1), (2), or a (3) following the subsection number indicates that an additional menu must be displayed; e.g., PCM CONFIG 1 and PCM CONFIG 2. An (@) following the subsection number indicates that the parameter must be changed by the operator, not stored or recalled.

NOTE: MF(R1) digits will not be seen if DIALTONE is used as a Start Signal.

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Table 7-4. RS232 EMULATE Menu Commands

COMMAND DEFINITION

(R20) – (R39) RECALL EMULATE/ANALYZE SETUPs from location ID 20 through ID 39.

[SHIFT] + [RECALL] + [location ID] keys.

(R40) RECALL all SETUPs from last power down. [SHIFT] + [RECALL] + [*] keys. (Z20) – (Z39) STORE EMULATE/ANALYZE SETUPs from location ID 20 through ID 39. [SHIFT]

+ [STORE] + [location ID] keys.

(ELV) LOOP: VOLTAGEvdc. (ELV = 20) for 20 to <48> to (ELV = 72) for 72 volts. 3.1.1 (ELL) LOOP: LENGTH ohm. (ELL) = 0, 300, 600, 900, <1200>, 1500, 1800, or 2100.

3.1.2

(EIC) TERMINATION: 2.16uf. (EIC = 00) for <in>, (EIC = 01) for out. 3.2.1 (EDH) TERMINATION: DC HOLD. (EDH) = 10ohm, <330ohm>, or 430ohm. 3.2.2 (ELT) DIALING: LOOP TYPE. (ELT = 00) for <pulse>, (ELT = 01) for dtmf, (ELT = 02) for

mf(R1). 3.3.1

(ESS) DIALING: START SIGNAL. (ESS = 00) for immediate, (ESS = 01) for <wink>,

(ESS = 02) for delay, (ESS= 03) for dial tone. 3.3.2 (EPS) PULSE: SPEEDpps. (EPS) = 5 to <10> to 25. 3.4.1 (EPB) PULSE: BREAK%. (EPB) = 40 to <60> to 85. 3.4.2 (EPI) PULSE: INTRDIGITms. (EPI) = 120 to <600> to 999. 3.4.3 (ET1) DTMF/MF: HI: dBm. (ET1) = -40 to <-7> to -3. 3.5.1 (1) (ET2) DTMF/MF: HI/hz%. (ET2) = -5.0 to <0.0> to +5. 3.5.1 (1) (ET3) DTMF/MF: LO: dBm. (ET3) = -40 to <-7> to -3. 3.5.2 (1) (ET4) DTMF/MF: LO/hz%. (ET4) = -5.0 to <0.0> to +5. 3.5.2 (1) (EEN) DTMF/MF: ON. (EEN) = -25 to <50> to 99. 3.6.1 (2) (EEF) DTMF/MF: OFFms. (EEF) = -25 to <50> to 99msec. 3.6.1 (2) (EHL) SEND TONE: LEVELdBm. (EHL) = -40 to <-10> to 0. 3.7.1 (EHF) SEND TONE: FREQUENCYhz. (EHF) = 300 to <1004> to 3300. 3.7.2 (ED1) DIAL TONE: ON. (ED1) = 0 to <9999>msec (Dial Tone 1 ON-Time). 3.8 (1) (ED2) DIAL TONE: OFFms. (ED2) = <0> to 9999 msec (Dial Tone 1 OFF-Time). 3.8 (1) (ED3) DIAL TONE: …ON… . (ED3) = <0> to 9999 msec (Dial Tone 2 ON-Time). 3.8 (1) (ED4) DIAL TONE: … /OFFms. (ED4) = <0> to 9999 msec (Dial Tone 2 OFF-Time). 3.8

(1) (ED5) DIAL TONE: …ON. (ED5) = <0> to 9999 msec (Dial Tone 3 ON-Time). 3.8 (1) (ED6) DIAL TONE: … …/OFFms. (ED6) = <0> to 9999 msec (Dial Tone 3 OFF-Time).

3.8 (1)

(EDA) DIAL TONE: T1:dBm. (EDA) = -40 to <-13> to –3 (Dial Tone 1 Level). 3.9.1 (2)

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(EDB) DIAL TONE: T1:/Hz. (EDB) = 0;300 to <350> to 3300 (Dial Tone 1 Frequency).

3.9.1 (2)

(EDC) DIAL TONE: T2:dBm. (EDC) = -40 to <-13> to –3 (Dial Tone 2 Level). 3.9.2 (2) (EDD) DIAL TONE: /FREQ. (EDB) = 15 to <250> to 9999 Hz (seizure-to-dial tone delay).

3.9.2 (2)

(EDT) DIAL TONE: DL SNDms. (EDT) = 0;300 to <440> to 3300 Hz (Dial Tone 2

Frequency). 3.9.3 (2) (EFS) RECALL: HOOKFLASHms. (EFS) = 15 to <500> to 999. 3.10.1 (EUB) RECALL: LINE UNBALms. (EUB) = 15 to <500> to 9999 msec. 3.10.2 (ER1) RINGING: ON. (ER1) = 0 to <2000> to 5000msec (Ring 1 ON-Time) 3.11.1 (1) (ER2) RINGING: /OFFms (ER2) = 0 to <4000> to 9999msec (Ring 1 OFF-Time) 3.11.1

(1) (ER3) RINGING: …ON… . (ER3) = <0> to 5000msec (Ring 2 ON-Time) 3.11.2 (1) (ER4) RINGING: …/OFFms (ER4) = <0> to 9999msec (Ring 2 OFF-Time) 3.11.2 (1) (ER5) RINGING: …ON. (ER5) = <0> to 5000msec (Ring 3 ON-Time) 3.11.2 (1) (ER6) RINGING: … …/OFFms (ER6) = <0> to 9999msec (Ring 3 OFF-Time) 3.11.2 (1) (ERV) RINGING: VOLTAGEvrms. (ERV) = 30 to <85> to 105 3.12.1 (2) (ERF) RINGING: FREQUENCYhz. (ERF) = 15.0 to <20.0> to 70.0 3.12.2 (2) (ELB) START TIME: DLY BGN. (ELB) = 15 to <50> to 999 3.13.1 (ELE) START TIME: DLY/ENDms. (ELE) = 100 to <250> to 9999msec 3.13.1 (EWB) START TIME: WINK: BGN. (EWB) = 15 to <50> to 999 3.13.2 (EWD) START TIME: WINK:/DURms. (EWD) = 50 to <250> to 999msec 3.13.2 (ESL) SF: LEVELdBm. (ESL) = -40 to <-10> to 0 dBm. 3.14.1 (ESF) SF: FREQ+%hz. (ESF) = -2.0 to <0.0> to 2.0% 3.14.2

Table 7-5. RS232 ANALYZE Menu Commands

COMMAND DEFINITION

(R20) – (R39) RECALL EMULATE/ANALYZE SETUPs from location ID 20 through ID 39.

[SHIFT] + [RECALL] + [location ID] keys.

(R40) RECALL all SETUPs from last power down. [SHIFT] + [RECALL] + [*] keys. (Z20) – (Z39) STORE EMULATE/ANALYZE SETUPs from location ID 20 through ID 39. [SHIFT]

+ [STORE] + [location ID] keys.

(AHF) HOOK: FLASHms(min) (AHF) = 50 to <450> (Min.) to 1250 4.1.1 (AHD) HOOK: DISCONNECTms(min) (AHD) = 50 to <1000> (Min.) to 1250 4.1.2 (AWD) STRT SIG: EXPECTED TYPE. (AWD = 00) for <dialtone/wink>, (AWD = 01) for

dialtone/delay. 4.2.1, 4.2.2

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(ADA) DT START: DIALTONE RCVDms (min). (ADA) = <0> to 9999. 4.3 (ADB) DT START: DIALTONE RCVD /max. (ADB) = 0 to <3000> to 9999. 4.3 (AD1) DLY STRT: STRT BGNms (min). (AD1) = 0 to <15> to 999. 4.4.1 (AD2) DLY STRT: STRT BGN /max. (AD2) = 0 to <300> to 999. 4.4.1 (AD3) DLY STRT: ENDms (min). (AD3) = 0 to <140> to 9999. 4.4.2 (AW1) WINK STRT: WINK BGNms (min). (AW1) = <15> to 999. 4.5.1 (AW2) WINK: DURms (min). (AW2) = 50 to <140> to 999. 4.5.1 (AW3) WINK: DUR /max. (AW3) = 50 to <290> to 999. 4.5.2 (AP1) PULSE: SPEEDpps (min). (AP1) = 5.0 to <8.0> (Min.) to 25.0. 4.6.1 (1) (AP2) PULSE: SPEED /max. (AP2) = 5.0 to <12.0> to 25.0. 4.6.1 (1) (AP3) PULSE: BREAK% (min). (AP3) = 20 to <50> to 85. 4.6.2 (1) (AP4) PULSE: DIAL BREAK /max. (AP4) = 20 to <70> to 85. 4.6.2 (1) (AP5) PULSE: INTRDIGIT (min). (AP5) = 120 to <300> to 999 msec. 4.7.1 (2) (AT1) DTMF/MF: LO BANDdb (min). (AT1) = -30 to <-15> to –3 dBm. 4.8.1 (1) (AT2) DTMF/MF: LO BAND /max. (AT2) = -30 to <-3> dBm. 4.8.2 (1) (AT3) DTMF/MF: HI BANDdb (min). (AT3) = -30 to <-15> to –3 dBm. 4.8.2 (1) (AT4) DTMF/MF: HI BAND /max. (AT4) = -30 to <-3> dBm. 4.8.2 (1) (AT5) DTMF/MF: TWISTdb (min). (AT5) = -12 to <-6> to +12. 4.9.2 (2) (AT6) DTMF/MF: TWIST /max. (AT6) = -12 to <6> to +12 dBm. 4.9.2 (2) (AT7) DTMF/MF: FREQ% (max). (AT7) = 0 to <1.5> (±) to 3.5 dBm. 4.9.1 (2) (AT8) DTMF/MF: TONE ON (min). (AT8) = 25 to <35> to 99 msec. 4.10.1 (3) (AT9) DTMF/MF: TONE/OFFms (min). (AT9) = 25 to <35> to 99 msec. 4.10.1 (3) (ATA) DTMF/MF: GUARDms. (ATA) = 0 to <20> to 99. 4.10.2 (3) (ATT) THRESHOLD: TONEdBm (min). (ATT) = -40 to <-30> to 0 dBm. 4.11.1 (AHT) THRESHOLD: OFF HKvdc (min). (AHT) = 2 to <35> to 60 volts. 4.11.2

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