Nokia T5BL1 User Manual

Automated Acceptance Test Procedures – All–inclusive TX & RX

Introduction

The Automated Acceptance Test Procedure (ATP) allows Cellular Field
Engineers (CFEs) to run automated acceptance tests on all equipped BTS
subsystem devices using the Local Maintenance Facility (LMF) and
supported test equipment per the current Cell Site Data File (CDF)
assignment.

The results of these tests (at the option of the operator) are written to a
file that can be printed. All tests are controlled from the LMF platform
using the GPIB interface, therefore, only recommended test equipment
supported by the LMF can be used.

This chapter describes the tests run from the GUI environment, which is
the recommended method. The GUI provides the advantages of
simplifying the LMF user interface, reducing the potential for miskeying
commmands and associated parameters, and speeding up the execution
of complex operations involving multiple command strings. If you feel
the command line interface (CLI) will provide additional insight into the
progress of ATPs and problems that could possibly be encountered, refer
to LMF CLI Commands, R15.X (68P09251A59).

4

IMPORTANT

*

Customer requirements determine which ATP tests to are to be
performed, and the craftsperson selects the appropriate ATP tests to run.

The tests can be run individually or as one of the following groups:

Before performing any tests, use an editor to view the
“CAVEATS” section of the “readme.txt” file in the c:\wlmf
folder for any applicable information.

The ATP test is to be performed on out-of-service (OOS)
sectors only.

DO NOT substitute test equipment not supported by the
LMF.

NOTE

Refer to Chapter 3 for detailed information on test set
connections for calibrating equipment, cables and other test
set components, if required.

 All TX: TX tests verify the performance of the BTS transmit line up.

These include the GLI, MCC, BBX, and CIO cards, the LPAs and
passive components including splitters, combiners, bandpass filters,
and RF cables.

 All RX: RX tests verify the performance of the BTS receiver line up.

These include the MPC (for starter frames), EMPC (for expansion
frames), CIO, BBX, MCC, and GLI cards and the passive components
including RX filters (starter frame only), and RF cables.

. . . continued on next page

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SCt4812T CDMA BTS Optimization/ATP

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Automated Acceptance Test Procedure – All–inclusive TX & RX – continued

 All TX/RX: Executes all the TX and RX tests.
 Full Optimization: Executes the TX calibration, downloads the BLO,

and executes the TX audit before running all of the TX and RX tests.

ATP Test Prerequisites

Before attempting to run any ATP tests, ensure the following have been
completed:

 BTS has been optimized and calibrated (see Chapter 3).
 LMF is logged into the BTS.
 CSMs, GLIs, BBXs, MCCs, and TSU (if the RFDS is installed) have

correct code load and data load.

4

 Primary CSM, GLI, and MCCs are INS_ACT.
 BBXs are calibrated and BLOs are downloaded.
 BBXs are OOS_RAM.
 Test cables are calibrated.
 Test equipment is connected for ATP tests (see Figure 3-13 through

Figure 3-16 starting on page 3-50).

 Test equipment has been warmed up 60 minutes and calibrated.
 GPIB is on.

WARNING

Before performing the FER, be sure that all LPAs are
turned OFF (circuit breakers pulled) or that all transmitter
ports are properly terminated.

All transmit ports must be properly terminated for all ATP
tests.

Failure to observe these warnings may result in bodily
injury or equipment damage.

TX OUT Connection

4-2

IMPORTANT

*

SCt4812T CDMA BTS Optimization/ATP

Many of the acceptance test procedures require taking
measurements at the TX OUT (BTS/RFDS) connector. At
sites without RFDS installed, all measurements will be via
the BTS TX OUT connector. At sites with RFDS installed,
all measurements will be via the RFDS directional coupler
TX OUT connector.

DRAFT

Mar 2001

Automated Acceptance Test Procedure – All–inclusive TX & RX – continued

ATP Test Procedure

There are three different ATP testing options that can be performed to
completely test a BTS. Depending on your requirements, one of the
following ATP testing options should be run.

 ATP Testing Option 1

– All TX/RX

 ATP Testing Option 2

– All TX
– All RX

 ATP Testing Option 3

– TX Mask Test
– Rho Test
– Pilot Time Offset Test
– Code Domain Power Test
– FER Test

NOTE

4

The Full Optimization test can be run if you want the TX
path calibrated before all the TX and RX tests are run.

IMPORTANT

*

Follow the procedure in Table 4-1 to perform any ATP test.

Table 4-1: ATP Test Procedure

 Step Action

1 Select the device(s) to be tested.

If manual testing has been performed with the HP analyzer,
remove the manual control/system memory card from the
card slot and set the I/O Config to the Talk & Lstn mode
before starting the automated testing.

NOTE

The STOP button can be used to stop the testing process.

2 From the Tests menu, select the test you want to run.
3 Select the appropriate carrier(s) (carrier-bts#-sector#-carrier#) displayed in the Channels/Carrier

Mar 2001

pick list.

NOTE

To select multiple items, hold down the <Shift> or <Ctrl> key while making the selections.

. . . continued on next page

SCt4812T CDMA BTS Optimization/ATP

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Automated Acceptance Test Procedure – All–inclusive TX & RX – continued

Table 4-1: ATP Test Procedure

 ActionStep

4 Enter the appropriate channel number in the Carrier n Channels box.

The default channel number displayed is determined by the CdmaChans[n] number in the
cbsc–n.cdf file for the BTS.

5 Click on the OK button.

The status report window and a Directions pop-up are displayed.

6 Follow the cable connection directions as they are displayed.

The test results are displayed in the status report window.

7 Click on Save Results or Dismiss.

NOTE

4

If Dismiss is used, the test results will not be saved in the test report file.

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TX Output Acceptance Tests: Introduction

Individual Acceptance Tests

The following individual tests can be used to verify the results of
specific tests.

Spectral Purity TX Mask (Primary & Redundant BBX)

This test verifies that the transmitted CDMA carrier waveform generated
on each sector meets the transmit spectral mask specification with
respect to the assigned CDF file values.

Waveform Quality (rho)

This test verifies that the transmitted Pilot channel element digital
waveform quality (rho) exceeds the minimum specified value in
ANSI–J_STD–019. “Rho” represents the correlation between actual and
perfect CDMA modulation spectrum. A rho value of 1.0000 represents
100% (or perfect correlation).

4

Pilot Time Offset

The Pilot Time Offset is the difference between the CDMA analyzer
measurement interval (based on the BTS system time reference) and the
incoming block of transmitted data from the BTS (Pilot only, Pilot
Gain = 262, PN Offset = 0).

Code Domain Power (Primary & Redundant BBX)

This test verifies the code domain power levels, which have been set for
all ODD numbered Walsh channels, using the OCNS command. This is
done by verifying that the ratio of PILOT divided by OCNS is equal to

10.2 $ 2 dB, and, that the noise floor of all EVEN numbered “OFF”

Walsh channels measures
channel power).

Frame Error Rate

The Frame Error Rate (FER) test verifies RX operation of the entire
CDMA Reverse Link using all equipped MCCs assigned to all
respective sector/antennas. This test verifies the BTS sensitivity on all
traffic channel elements currently configured on all equipped MCCs at
an RF input level of –119 dBm (or –116 dBm if using TMPC).

v –27 dB (with respect to total CDMA

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4-5

TX Spectral Purity T ransmit Mask Acceptance Test

Tx Mask Test

This test verifies the spectral purity of each BBX carrier keyed up at a
specific frequency, per the current CDF file assignment. All tests are
performed using the external calibrated test set, controlled by the same
command. All measurements are via the appropriate TX OUT
(BTS/RFDS) connector.

The Pilot Gain is set to 541 for each antenna, and all channel elements
from the MCCs are forward-link disabled. The BBX is keyed up, using
both bbxlvl and bay level offsets, to generate a CDMA carrier (with pilot
channel element only). BBX power output is set to obtain +40 dBm as
measured at the TX OUT connector (on either the BTS or RFDS

4

directional coupler).

NOTE

TX output power is set to +40 dBm by setting BTS power
level to +33.5 dBm to compensate for 6.5 dB increase from
pilot gain set to 541.

The calibrated communications test set measures and returns the
attenuation level of all spurious and IM products in a 30 kHz resolution
bandwidth. With respect to the mean power of the CDMA channel
measured in a 1.23 MHz bandwidth in dB, verify that results meet
system tolerances at the following test points:

 1.7/1.9 GHz:

– at least –45 dB @ + 900 kHz from center frequency
– at least –45 dB @ – 900 kHz from center frequency

 800 MHz:

– at least –45 dB @ + 750 kHz from center frequency
– at least –45 dB @ – 750 kHz from center frequency
– at least –60 dB @ – 1980 kHz from center frequency
– at least –60 dB @ – 1980 kHz from center frequency

The BBX then de-keys, and, if selected, the MCC is re-configured to
assign the applicable redundant BBX to the current TX antenna path
under test. The test is then repeated.

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TX Spectral Purity T ransmit Mask Acceptance Test – continued

Figure 4-1: TX Mask Verification Spectrum Analyzer Display

.5 MHz Span/Div

Ampl 10 dB/Div

– 1980 kHz

– 900 kHz

– 750 kHz

Mean CDMA Bandwidth

Power Reference

+ 900 kHz

+750 kHz

+ 1980 kHz

Center Frequency
Reference

Attenuation level of all
spurious and IM products
with respect to the mean
power of the CDMA channel

FW00282

4

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SCt4812T CDMA BTS Optimization/ATP

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4-7

TX Waveform Quality (rho) Acceptance Test

Rho Test

This test verifies the transmitted Pilot channel element digital waveform
quality of each BBX carrier keyed up at a specific frequency per the
current CDF file assignment. All tests are performed using the external
calibrated test set controlled by the same command. All measurements
are via the appropriate TX OUT (BTS/RFDS) connector.

The Pilot Gain is set to 262 for each antenna, and all channel elements
from the MCCs are forward link disabled. The BBX is keyed up using
both bbxlvl and bay level offsets, to generate a CDMA carrier (with pilot
channel element only, Walsh code 0). BBX power output is set to
40 dBm as measured at the TX OUT connector (on either the BTS or

4

RFDS directional coupler).

The calibrated communications test set measures and returns the Pilot
channel element digital waveform quality (rho) in dB, verifying that the
result meets system tolerances:

 Waveform quality (rho) should be > 0.912 (–0.4 dB).

The BBX then de-keys and, if selected, the MCC is re-configured to
assign the applicable redundant BBX to the current TX antenna path
under test. The test is then be repeated.

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Mar 2001

TX Pilot Time Offset Acceptance Test

Pilot Offset Acceptance Test

This test verifies the transmitted Pilot channel element Pilot Time Offset
of each BBX carrier keyed up at a specific frequency per the current
CDF file assignment. All tests are performed using the external
calibrated test set controlled by the same command. All measurements
are via the appropriate TX OUT (BTS/RFDS) connector.

The Pilot Gain is set to 262 for each antenna, and all TCH elements from
the MCCs are forward link disabled. The BBX is keyed up, using both
bbxlvl and bay level offsets, to generate a CDMA carrier (with pilot
channel element only, Walsh code 0). BBX power output is set to
40 dBm as measured at the TX OUT connector (on either the BTS or
RFDS directional coupler).

The calibrated communications test set measures and returns the Pilot
Time Offset in µs, verifying results meet system tolerances:

 Pilot Time Offset should be within < 3 µs of the target PT

Offset (0 µs).

The BBX then de-keys, and if selected, the MCC is re-configured to
assign the applicable redundant BBX to the current TX antenna path
under test. The test is then repeated.

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4-9

TX Code Domain Power/Noise Floor Acceptance Test

Code Domain Power Test

This test verifies the Code Domain Power/Noise of each BBX carrier
keyed up at a specific frequency per the current CDF file assignment.
All tests are performed using the external calibrated test set controlled by
the same command. All measurements are via the appropriate TX OUT
(BTS/RFDS) connector.

For each sector/antenna under test, the Pilot Gain is set to 262. All MCC
channel elements under test are configured to generate Orthogonal
Channel Noise Source (OCNS) on different odd Walsh codes and to be
assigned a full–rate gain of 81. The maximum number of MCC/CEs to
be tested an any one time is 32 (32 odd Walsh codes). If more than 32
CEs exist, then multiple sets of measurements are made; so all channel

4

elements are verified on all sectors.
BBX power output is set to 40 dBm as measured at the TX OUT

connector (on either the BTS or RFDS directional coupler).
You verify the code domain power levels, which have been set for all

ODD numbered Walsh channels, using the OCNS command. This is
done by verifying that Pilot Power (dBm) minus OCNS Power (dBm) is
equal to
measures

10.2 + 2 dB and that the noise floor of all “OFF” Walsh channels
< –27 dB (with respect to total CDMA channel power).

The BBX then de-keys and, if selected, the MCC is re-configured to
assign the applicable redundant BBX to the current TX antenna path
under test. The test is then repeated. Upon completion of the test, OCNS
is disabled on the specified MCC/CE.

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DRAFT

Mar 2001

TX Code Domain Power/Noise Floor Acceptance Test – continued

Figure 4-2: Code Domain Power and Noise Floor Levels

Pilot Channel

MAX OCNS
CHANNEL

Active channels

MIN OCNS
CHANNEL

MAX NOISE
FLOOR

8.2 dB 12.2 dB

PILOT LEVEL

MAX OCNS SPEC.
MIN OCNS SPEC.

MAXIMUM NOISE FLOOR:

< –27 dB SPEC.

Inactive channels

Walsh 0 1 2 3 4 5 6 7 ... 64

Showing all OCNS Passing

Pilot Channel

FAILURE – EXCEEDS
MAX OCNS SPEC.

8.2 dB 12.2 dB

Active channels

PILOT LEVEL

MAX OCNS SPEC.
MIN OCNS SPEC.

4

FAILURE – DOES NOT
MEET MIN OCNS SPEC.

FAILURE – EXCEEDS MAX
NOISE FLOOR SPEC.

MAXIMUM NOISE FLOOR:

< –27 dB

Inactive channels

Walsh 0 1 2 3 4 5 6 7 ... 64

Indicating Failures

FW00283

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SCt4812T CDMA BTS Optimization/ATP

DRAFT

4-11

RX Frame Error Rate (FER) Acceptance Test

FER Test

This test verifies the BTS FER on all traffic channel elements currently
configured on all equipped MCCs (full rate at 1% FER) at an RF input
level of –119 dBm [or –116 dBm if using Tower Top
Amplifier (TMPC)]. All tests are performed using the external calibrated
test set as the signal source controlled by the same command. All
measurements are via the LMF.

The Pilot Gain is set to 262 for each TX antenna, and all channel
elements from the MCCs are forward-link disabled. The BBX is keyed
up, using only bbxlvl level offsets, to generate a CDMA carrier (with
pilot channel element only). BBX power output is set to –20 dBm as

4

measured at the TX OUT connector (on either the BTS or RFDS
directional coupler). The BBX must be keyed to enable the RX receive
circuitry.

The LMF prompts the MCC/CE under test to measure all zero longcode
and provide the FER report on the selected active MCC on the reverse
link for both the main and diversity RX antenna paths, verifying that
results meet the following specification:

 FER returned less than 1% and total frames measured is 1500

All MCC/CEs selected are tested on the specified RX antenna path. The
BBX then de-keys and, if selected, the MCC is re-configured to assign
the applicable redundant BBX to the current RX antenna paths under
test. The test is then repeated.

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SCt4812T CDMA BTS Optimization/ATP

DRAFT

Mar 2001

Generate an ATP Report

Background

ATP Report

Each time an ATP test is run, an ATP report is updated to include the
results of the most recent ATP tests if the Save Results button is used to
close the status report window. The ATP report is not updated if the
status reports window is closed using the Dismiss button.

Each time an ATP test is run, a separate report is created for each BTS
and includes the following for each test:

 Test name
 BBX number
 Channel number
 Carrier number
 Sector number
 Upper test limit
 Lower test limit
 Test result
 PASS or FAIL
 Description information (if applicable)
 Time stamp
 Details/Warning information (if applicable)

The report can be printed if the LMF computer is connected to a printer.
Follow the procedure in the Table 4-2 to view and/or print the ATP
report for a BTS.

Table 4-2: Generating an ATP Report

 Step Action

1 Click on the Login tab (if not in the forefront).
2 Select the desired BTS from the available Base Station pick list.

4

3 Click on the Report button.
4 Click on a column heading to sort the report.
5 – If not desiring a printable file copy, click on the Dismiss button.

Mar 2001

– If requiring a printable file copy, select the desired file type in the picklist and click on the

Save button.

SCt4812T CDMA BTS Optimization/ATP

DRAFT

4-13

Generate an ATP Report – continued

Notes

4

4-14

SCt4812T CDMA BTS Optimization/ATP

Mar 2001

DRAFT

Chapter 5: Prepare to Leave the Site

Table of Contents

Prepare to Leave the Site 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

External Test Equipment Removal 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reset All Devices 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BTS Site Span Configuration Verification 5-3. . . . . . . . . . . . . . . . . . . . . .

Set BTS Site Span Configuration 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Updating CBSC LMF Files 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LMF Removal 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Re–connect BTS T1 Spans and Integrated Frame Modem 5-8. . . . . . . . . .

Re–establish OMC–R Control/ Verifying T1/E1 5-8. . . . . . . . . . . . . . . . .

5

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

DRAFT

Table of Contents – continued

Notes

5

SCt4812T CDMA BTS Optimization/ATP

Mar 2001

DRAFT

Prepare to Leave the Site

External Test Equipment
Removal

Perform the procedure in Table 5-1 to disconnect the test equipment and
configure the BTS for active service.

Table 5-1: External Test Equipment Removal

Step Action

1 Disconnect all external test equipment from all TX and RX connectors on the top of the frame.
2 Reconnect and visually inspect all TX and RX antenna feed lines at the top of the frame.

CAUTION

Verify that all sector antenna feed lines are connected to the
correct ports on the frame. Crossed antenna cables will
cause system degradation of call processing.

NOTE

Each module or device can be in any state prior to
downloading. Each module or device will be in an
OOS_RAM state after downloading has completed.

– For all LMF commands, information in italics

represents valid ranges for that command field.

– Only those fields requiring an input will be specified.

Default values for other fields will be assumed.

– For more complete command examples (including

system response details), refer to the CDMA LMF

User Guide.

5

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

5-1

DRAFT

Prepare to Leave the Site – continued

Reset All Devices

Reset all devices by cycling power before leaving the site. The
configuration data and code loads could be different from data and code
on the LMF. By resetting all devices, the CBSC can load the proper data
and code when the span is active again.

Follow the procedure in Table 5-2 as required to bring all processor
modules from the OOS to INS mode.

IMPORTANT

*

Table 5-2: Enabling Devices

 Step Action

1 On the LMF, select the device(s) you wish to enable.

Have the CBSC/MM bring up the site and enable all
devices at the BTS.

NOTE

5

The MGLI and CSM must be INS before an MCC can be put INS.

2 Click on Device from the menu bar.
3 Click on Enable from the Device menu.

A status report window is displayed.

NOTE

If a BBX2 is selected, a Transceiver Parameters window is displayed to collect keying
information.

Do not enable the BBX2.

4 Click OK to close the Transceiver Parameters window.

A status report window displays the status of the device.

5-2

5 Click OK to close the status report window.

The selected devices that successfully change to INS change color to green.

SCt4812T CDMA BTS Optimization/ATP

Mar 2001

DRAFT

Prepare to Leave the Site – continued

Re–connect BTS T1 Spans
and Integrated Frame Modem

Before leaving the site, connect any T1 span TELCO connectors that
were removed to allow the LMF to control the BTS. Refer to Table 5-3
and Figure 5-1 as required.

Table 5-3: T1/E1 Span/IFM Connections

Step Action

1 Connect the 50–pin TELCO cables to the BTS span I/O board 50–pin TELCO connectors.
2 If used, connect the dial–up modem RS–232 serial cable to the Site I/O board RS–232 9–pin

sub D connector.

* IMPORTANT

Verify that you connect both SPAN cables (if removed previously), and the Integrated Frame
Modem (IFM) “TELCO” connector.

Figure 5-1: Site and Span I/O Boards T1 Span Connections

SPAN A CONNECTOR
(TELCO) INTERFACE
TO SPAN LINES

50–PIN TELCO
CONNECTORS
REMOVED

5

RS–232 9–PIN SUB D
CONNECTOR SERIAL
PORT FOR EXTERNAL
DIAL UP MODEM
CONNECTION (IF USED)

TOP of Frame

(Site I/O and Span I/O boards)

FW00299

SPAN B CONNECTOR
(TELCO) INTERFACE
TO SPAN LINES

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

5-3

DRAFT

Prepare to Leave the Site – continued

BTS Site Span Configuration
Verification

Perform the procedure in Table 5-4 to verify the current Span Framing
Format and Line Build Out (LBO) parameters. ALL MGLI2/SGLI2
boards in all C–CCP shelves that terminate a T1/E1 span should be
verified.

Table 5-4: BTS Span Parameter Configuration

Step Action

1 Connect a serial cable from the LMF COM1 port (via null modem board) to the front panel of the

MGLI2 MMI port (see Figure 5-2).

2 Start an MMI communication session with CSM–1 by using the Windows desktop shortcut icon (see

Table 3-5 on page 3-11).

NOTE

The LMF program must not be running when a Hyperterminal session is started if COM1 is being
used for the MMI session.

3 Enter the following MMI command to display the current MGLI2/SGLI2 framing format and line

code configuration (in bold type):

5

span view <cr>

Observe a display similar to the options shown below:

COMMAND ACCEPTED: span view

The parameter in NVM is set to T1_2.

The frame format in flash is set to use T1_2.
Equalization:
Span A – Default (0–131 feet for T1/J1, 120 Ohm for E1)
Span B – Default (0–131 feet for T1/J1, 120 Ohm for E1)
Span C – Default (0–131 feet for T1/J1, 120 Ohm for E1)
Span D – Default (0–131 feet for T1/J1, 120 Ohm for E1)
Span E – Default (0–131 feet for T1/J1, 120 Ohm for E1)
Span F – Default (0–131 feet for T1/J1, 120 Ohm for E1)

Linkspeed: Default (56K for T1 D4 AMI, 64K otherwise)
Currently, the link is running at the default rate
The actual rate is 0

NOTE

Defaults for span equalization are 0–131 feet for T1/J1 spans and 120 Ohm for E1.
Default linkspeed is 56K for T1 D4 AMI spans and 64K for all other types.
There is no need to change from defaults unless the OMC–R/CBSC span configuration requires it.
If the current MGLI2/SGLI2 framing format and line code configuration does not display the correct

choice, proceed to Table 5-5.

5-4

SCt4812T CDMA BTS Optimization/ATP

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DRAFT

Prepare to Leave the Site – continued

Table 5-4: BTS Span Parameter Configuration

Step Action

4 Repeat steps 1 through 3 for all remaining GLIs.
5 Exit the GLI MMI session and HyperTerminal connection by selecting File from the connection

window menu bar, and then Exit from the dropdown menu.

Figure 5-2: MGLI2/SGLI2 MMI Port Connection

RS–232 CABLE
FROM LMF COM1
PORT

9–PIN TO 9– PIN
RS–232 CABLE

Set BTS Site Span
Configuration

NULL MODEM BOARD

(PART# 8484877P01)

MMI SERIAL PORT

GLI BOARD

5

FW00344

Perform the procedure in Table 5-5 to configure the Span Framing
Format and Line Build Out (LBO) parameters. ALL MGLI2/SGLI2
boards in all C–CCP shelves that terminate a T1/E1 span must be
configured.

Mar 2001

IMPORTANT

*

Perform the following procedure ONLY if span
configurations loaded in the MGLI2/GLI2s do not match
those in the OMCR/CBSC data base, AND ONLY when the
exact configuration data is available. Loading incorrect
span configuration data will render the site inoperable.

SCt4812T CDMA BTS Optimization/ATP

5-5

DRAFT

Prepare to Leave the Site – continued

Table 5-5: Set BTS Span Parameter Configuration

Step Action

1 If not already done, connect a serial cable from the LMF COM1 port (via null modem board) to the

front panel of the MGLI2 MMI port (see Figure 5-2).

2 Start an MMI communication session with CSM–1 by using the Windows desktop shortcut icon (see

Table 3-5 on page 3-11).

NOTE

The LMF program must not be running when a Hyperterminal session is started if COM1 is being
used for the MMI session.

3 If required only, enter the following MMI command for each span line to set the BTS span parameters

to match that of the physical spans a – f run to the site:

span_config <option#1> <option#2> <option#3> <option#4> <option#5>
option#1 = the span to change (a – f)
option#2 = the span type (0 – 8):

0 – E1_1 (HDB3, CCS, CRC–4)
1 – E1_2 (HDB3, CCS)
2 – E1_3 (HDB3, CAS, CRC–4, TS16)

5

option#3 = the link speed (56 or 64) Kbps
option#4 = the span equalization (0 – 7):

option#5 = the slot that has LAPD channel (0 – 31)

Example for setting span configuration to E1_2, 64 Kbps, E1_120–Ohm, LAPD channel 1:

span_config a 1 64 7 1

span_config f 1 64 7 1

Example for setting span configuration to T1_2, 64 Kbps, T1_4 (0–131 feet), LAPD channel 0:

span_config a 5 64 4 0

span_config f 5 64 4 0

3 – E1_4 (HDB3, CAS, TS16)
4 – T1_1 (AMI, DS1 AT&T D4, without ZCS, 3 to 1 packing, Group 0 unusable)
5 – T1_2 (B8ZS, DS1 AT&T ESF, 4 to 1 packing, 64K link)
6 – J1_1 (B8ZS, J1 AT&T ESF, Japan CRC6, 4 to 1 packing)
7 – J1_2 (B8ZS, J1 AT&T ESF, US CRC6, 4 to 1 packing)
8 – T1_3 (AMI, DS1 AT&T D4, with ZCS, 3 to 1 packing, Group 0 unusable)

0 – T1_6 (T1,J1:long haul)
1 – T1_4 (T1,J1:393–524 feet)
2 – T1_4 (T1,J1:131–262 feet)
3 – E1_75 (E1:75 Ohm)
4 – T1_4 (T1,J1:0–131 feet)
5 – T1_4 (T1,J1:524–655 feet)
6 – T1_4 (T1,J1:262–393 feet)
7 – E1_120 (E1:120 Ohm)

.
.

.
.

. . . continued on next page

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Mar 2001

DRAFT

Prepare to Leave the Site – continued

Table 5-5: Set BTS Span Parameter Configuration

Step Action

* IMPORTANT

Make sure that spans a – f are set to the same span type and link speed. The equalization may be
different for each individual span.

After executing the span_config command, the affected MGLI2/SGLI2 board MUST be reset and
re–loaded for changes to take effect.

Although defaults are shown, always consult site specific documentation for span type and rate used at

the site.
4 Press the RESET button on the GLI2 for changes to take effect.
5 This completes the site specific BTS Span setup for this GLI. Move the MMI cable to the next SGLI2

and repeat steps 1 and 4 for ALL MGLI2/SGLI2 boards.
6 Terminate the Hyperterm session and disconnect the LMF from the MGLI/SGLI.

Updating CBSC LMF Files

Updated calibration (CAL) file information must be moved from the
LMF Windows environment back to the CBSC, which resides in a Unix
environment. The procedures that follow detail how to move files from
one environment to the other.

5

Backup CAL Data to a Diskette

The BLO calibration files should be backed up to a diskette (per BTS).
Follow the procedure in Table 5-6 to copy CAL files from a CDMA
LMF computer to a diskette.

Table 5-6: Backup CAL Data to a Diskette

 Step Action

1 Insert a diskette into the LMF A drive.

NOTE

If your diskette has not been formatted, format it using Windows. The diskette must be DOS
formatted before copying any files. Consult your Windows/DOS documentation or on–line help
on how to format diskettes.

2 Click on the Start button and launch the Windows Explorer program from the Programs menu.
3 Click on your C: drive.
4 Double Click on the wlmf folder.
5 Double Click on the CDMA folder.
6 Click on the bts–# folder for the calibration file you want to copy.
7 Drag the BTS–#.cal file to the 3–1/2 floppy (A:) icon on the top left of the screen and release the

mouse button.

8 Repeat steps 6 and 7 until you have copied each file desired.
9 Close the Windows Explorer program by selecting Close from the File menu option.

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

5-7

DRAFT

Prepare to Leave the Site – continued

LMF Removal

CAUTION

DO NOT power down the LMF without performing the
procedure indicated below. Corrupted/lost data files may
result, and in some cases, the LMF may lock up.

Follow the procedure in Table 5-7 to terminate the LMF session and
remove the terminal.

Table 5-7: LMF Termination and Removal

 Step Action

1 From the CDMA window select File>Exit.
2 From the Windows Task Bar click Start>Shutdown.

Click Yes when the Shut Down Windows message appears.

3 Disconnect the LMF terminal Ethernet connector from the BTS cabinet.

5

4 Disconnect the LMF serial port, the RS-232 to GPIB interface box, and the GPIB cables as

required for equipment transport.

Copying CAL Files from Diskette to the CBSC

Follow the procedure in Table 5-8 to copy CAL files from a diskette to
the CBSC.

Table 5-8: Procedures to Copy CAL Files from Diskette to the CBSC

 Step Action

1 Login to the CBSC on the workstation using your account name and password.

NOTE

Enter the information that appears in bold text.

2 Place your diskette containing CAL file(s) in the CBSC workstation diskette drive.
3 Type eject –q and press the <Enter> key.
4 Type mount and press the <Enter> key.

Verify that floppy/no_name is displayed.

NOTE

If the eject command has been previously entered, floppy/no_name will be appended with a
number

. Use the explicit floppy/no_name reference displayed.

5-8

5 Enter cd /floppy/no_name and press the <Enter> key.
6 Enter ls –lia and press the <Enter> key.

Verify that the bts–#.cal file is on the diskette.

7 Enter cd and press the <Enter> key.

SCt4812T CDMA BTS Optimization/ATP

. . . continued on next page

Mar 2001

DRAFT

Prepare to Leave the Site – continued

Table 5-8: Procedures to Copy CAL Files from Diskette to the CBSC

 ActionStep

8 Enter pwd and press the <Enter> key.

Verify that you are in your home directory (/home/<name>).

9 Enter dos2unix /floppy/no_name/bts–#.cal bts–#.cal and press the <Enter> key (where # is the

BTS number).

10 Enter ls –l *.cal and press the <Enter> key.

Verify that the CAL file was successfully copied.

11 Type eject and press the <Enter> key.
12 Remove the diskette from the workstation.

Re–establish OMC–R Control/
Verifying T1/E1

*

IMPORTANT

5

After all activities at the site have been completed, and
after disconnecting the LMF, place a phone call to the
OMC–R and request the BTS be placed under control of
the OMC–R.

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

5-9

DRAFT

Prepare to Leave the Site – continued

Notes

5

5-10

SCt4812T CDMA BTS Optimization/ATP

Mar 2001

DRAFT

Chapter 6: Basic Troubleshooting

Table of Contents

Basic Troubleshooting Overview 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting: Installation 6-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Log into Cell-Site 6-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Communicate to Power Meter 6-2. . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Communicate to Communications Analyzer 6-3. . . . . . . . . . . . . .

Troubleshooting: Download 6-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Download CODE to Any Device (card) 6-4. . . . . . . . . . . . . . . . . .

Cannot Download DATA to Any Device (Card) 6-4. . . . . . . . . . . . . . . . . .

Cannot ENABLE Device 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Miscellaneous Errors 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting: Calibration 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bay Level Offset Calibration Failure 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Load BLO 6-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calibration Audit Failure 6-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Troubleshooting: Transmit ATP 6-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cannot Perform TX Mask Measurement 6-8. . . . . . . . . . . . . . . . . . . . . . . .

Cannot Perform Rho or Pilot Time Offset Measurement 6-8. . . . . . . . . . .

Cannot Perform Code Domain Power and Noise Floor Measurement 6-9.

Cannot Perform Carrier Measurement 6-9. . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting: Receive ATP 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multi–FER Test Failure 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting: CSM Checklist 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Problem Description 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Intermittent 19.6608 MHz Reference Clock/GPS Receiver Operation 6-11.

No GPS Reference Source 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checksum Failure 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GPS Bad RX Message Type 6-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CSM Reference Source Configuration Error 6-11. . . . . . . . . . . . . . . . . . . . .

Takes Too Long for CSM to Come INS 6-12. . . . . . . . . . . . . . . . . . . . . . . .

C–CCP Backplane Troubleshooting 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connector Functionality 6-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C–CCP Backplane Troubleshooting Procedure 6-14. . . . . . . . . . . . . . . . . . .

Digital Control Problems 6-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

DRAFT

Table of Contents – continued

DC Power Problems 6-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TX and RX Signal Routing Problems 6-19. . . . . . . . . . . . . . . . . . . . . . . . . .

Module Front Panel LED Indicators and Connectors 6-20. . . . . . . . . . . . . . . . . . . . .

Module Status Indicators 6-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LED Status Combinations for All Modules (except

GLI2, CSM, BBX2, MCC24, MCC8E) 6-20. . . . . . . . . . . . . . . . . . . . . . . .

DC/DC Converter LED Status Combinations 6-20. . . . . . . . . . . . . . . . . . . .

CSM LED Status Combinations 6-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GLI2 LED Status Combinations 6-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GLI2 Pushbuttons and Connectors 6-24. . . . . . . . . . . . . . . . . . . . . . . . . . . .

BBX2 LED Status Combinations 6-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MCC24/8E LED Status Combinations 6-25. . . . . . . . . . . . . . . . . . . . . . . . .

LPA Shelf LED Status Combinations 6-26. . . . . . . . . . . . . . . . . . . . . . . . . .

Basic Troubleshooting – Span Control Link 6-27. . . . . . . . . . . . . . . . . . . . . . . . . . .

Span Problems (No Control Link) 6-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

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DRAFT

Basic Troubleshooting Overview

Overview

The information in this section addresses some of the scenarios likely to
be encountered by Cellular Field Engineering (CFE) team members.
This troubleshooting guide was created as an interim reference document
for use in the field. It provides basic “what to do if” basic
troubleshooting suggestions when the BTS equipment does not perform
per the procedure documented in the manual.

Comments are consolidated from inputs provided by CFEs in the field
and information gained form experience in Motorola labs and
classrooms.

6

Mar 2001

SCt4812T CDMA BTS Optimization/ATP

6-1

DRAFT

Troubleshooting: Installation

Cannot Log into Cell-Site

Follow the procedure in Table 6-1 to troubleshoot a login failure.

Table 6-1: Login Failure Troubleshooting Procedures

 Step Action

1 If MGLI2 LED is solid RED, it implies a hardware failure. Reset MGLI2 by re-seating it. If this

persists, install a known good MGLI2 card in MGLI2 slot and retry. A Red LED may also indicate
no Ethernet termination at top of frame.

2 Verify that T1 is disconnected (see Table 3-1 on page 3-4).

If T1 is still connected, verify the CBSC has disabled the BTS.

3 Try pinging the MGLI2 (see Table 3-6 on page 3-15).
4 Verify the LMF is connected to the Primary LMF port (LAN A) in the front of the BTS (see

Table 3-2 on page 3-5).
5 Verify the LMF was configured properly (see Preparing the LMF section starting on page 3–6).
6 Verify the BTS-LMF cable is RG-58 [flexible black cable of less than 76 cm (2.5 feet) length].
7 Verify the Ethernet ports are terminated properly (see Figure 3-4 on page 3-14).
8 Verify a T-adapter is not used on the LMF side port if connected to the BTS front LMF primary

port.
9 Try connecting to the I/O panel (top of frame). Use BNC T-adapters at the LMF port for this

6

Cannot Communicate to
Power Meter

 Step Action

connection.

10 Re-boot the LMF and retry.
11 Re-seat the MGLI2 and retry.
12 Verify IP addresses are configured properly.

Follow the procedure in Table 6-2 to troubleshoot a power meter
communication failure.

Table 6-2: Troubleshooting a Power Meter Communication Failure

1 Verify the Power Meter is connected to the LMF with a GPIB adapter.

6-2

2 Verify the cable setup as specified in Chapter 3.
3 Verify the GPIB address of the Power Meter is set to 13.
4 Verify the GPIB adapter DIP switch settings are correct.

Refer to the Test Equipment setup section for details.

SCt4812T CDMA BTS Optimization/ATP

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DRAFT

Mar 2001