This practice is an installation and maintenance guide
®
for the ADTRAN
Total Access® 1500 Foreign
Exchange Station/Dial Pulse Originate (FXS/DPO)
access module. Figure 1 illustrates the FXS/DPO
(P/N 1180403L1) front panel.
Revision History
This is the second revision of this practice. This release
of the document includes the addition of the NBOC
option and the TO w/SC operating mode precipitated by
Line Interface Unit (LIU) software updates to R36 or
later. Time slot and wiring interconnect information for
the 19-inch and 23-inch Total Access 1500 chassis and
hardware and software provisioning information has
been included. This revision reflects a general
document update and change to the Warranty information.
Description
The FXS/DPO is designed specifically for the Total
Access 1500 chassis and is not used in any other
product. The FXS/DPO provides for a 2-wire analog
interface between a Voice Frequency (VF) transmission
and signaling facility and the Total Access 1500 Pulse
Code Modulation (PCM) backplane. The FXS interface
provides for simultaneous signaling in each direction
for use with 2-wire Off-Premises Station Lines, carrier
extended PBX Trunks, or subscriber line Foreign
Exchanges using ground or loop start signaling systems.
The unit is multifunctional and can be hardware or
software provisioned to operate in any one of the
following modes:
• Loop Start
• Ground Start
• TR08 Single Party (SP)
• TR08 Universal Voice Grade (UVG)
•TR08 Auto
• Private Line Automatic Ringdown (PLAR) D4
61180403L1-5B 1
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
•PLAR D3
•Tandem
•DPO
• FX Ringdown
• TO w/Sealing Code
Features
The basic features of the FXS/DPO include the
following:
µ-law encoding and decoding
•
• Supports ground start, loop start, PLAR, DPO, and
Tandem, TR08SP, TR08UVG, TR08AUTO, and
FX Ringdown
• Supports 900 ohms (+2.16
(+2.16
µF) 2-wire VF interfaces
µF) and 600 ohms
• Receive TLP range of -9.0 dB to 0.0 dB
• Transmit TLP range of -7.0 dB to +9.0 dB
• Supports CLASS
®
• Hot swappable
• Long loop capability: 1650 ohms nominal
• V.90 Modem compliant
• Extended temperature range of –40ºC to +65ºC
• Meets UL 60950, NEBS Level 3, PUB 43801, and
GR57
• Call Forward Disconnect
Compliance
Tabl e 1 shows the compliance codes for the FXS/DPO.
The FXS/DPO is NRTL listed to the applicable UL
standards. The FXS/DPO is to be installed in a restricted
access location and in a Type “B” or “E” enclosure
only.
The Total Access 1500 chassis frame ground terminal
must be connected to an earth ground to ensure that the
front panel of the FXS/DPO is properly grounded via
the backplane connector.
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation.
Changes or modifications not expressly approved by
ADTRAN could void the user’s authority to operate this
equipment.
2. INSTALLATION
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
After unpacking the FXS/DPO, inspect it for damage. If
damage has occurred, file a claim with the carrier, then
contact ADTRAN Customer Service. Refer to the
Warranty and Customer Service section for further
information. If possible, keep the original shipping
container for returning the FXS/DPO for repair or for
verification of shipping damage.
CAUTION
Electronic modules can be damaged by ESD.
When handling modules, wear an antistatic
discharge wrist strap to prevent damage to
electronic components. Place modules in
antistatic packing material when transporting
or storing. When working on modules, always
place them on an approved antistatic mat that is
electrically grounded.
Table 1. Compliance Codes
CodeInputOutput
Power Code (PC)CC
Telecommunication Code (TC)–X
Installation Code (IC)A–
2 Issue 2, December 200461180403L1-5B
Instructions for Installing the Module
To install the FXS/DPO, perform the following steps:
1. If present, remove the Access Module Blank (P/N
1175099L1) from the appropriate access module
slot of the Total Access chassis.
2. Pull the ejector latch, located on the lower lefthand side of the FXS/DPO front panel, from its
closed position.
3. Hold the FXS/DPO by the front panel while
supporting the bottom edge of the module with the
ejector latch opened to engage the chassis edge.
4. Align the module edges to fit in the lower and
upper guide grooves for the access module slot.
5. Slide the module into the access module slot.
Simultaneous thumb pressure at the top (above the
STATUS LED) and at the bottom (below the
electrostatic caution symbol) of the module will
ensure that the module is firmly positioned against
the backplane of the chassis.
6. Secure the FXS/DPO in place by pushing in on the
ejector latch.
Table 2. Front Panel LEDs and Switch
LabelConditionDescription
BUSY
REM
SwitchDescription
AP
Recessed pushbutton toggles between
hardware provisioning and software
provisioning
Off
Green
Yellow
Red
Green
Off
Module is in an on-hook or
idle condition
Module is in an off-hook or
busy condition
Module is in a digital or
metallic test
Module failure has been
detected
Module software provisioned
by Line Interface Unit (LIU)
Module hardware provisioned
by Dip Switches
SW3, andSW4
SW1, SW2,
When the FXS/DPO first powers up it performs the
power up self-tests. Once the power up self-test is
complete, the status LEDs will reflect the true state of
the hardware.
Front Panel LEDs
The FXS/DPO provides front panel LEDs to display
status information. See Table 2 for a listing of the front
panel LEDs and their indications.
Time Slot Assignment
For time slot assignments in the Dual T1 mode and in
the Quad T1 mode, see Tab le 3 on page 4. The Total
Access 1500 platform can have multiple time slots in
the T1 data stream assigned to each physical slot in the
channel bank. The Total Access 1500 allows craftselectable time slots using the electronic provisioning
interface. The system will automatically map DS0s in
the T1 as determined by the Line Interface Unit (LIU)
operational configuration. Manual mapping is available
via the LIU menu.
Connections
Four 50-pin male amphenol connectors on the 23-inch
Total Access 1500 backplane and three on the 19-inch
chassis packplane provide the interconnect wiring for
each of the access module physical slots. The FXS/DPO
requires
19-inch chassis, Slots 1-6 use
Slots 13-18 use
P1 (Pair 1 T/R) on the 23-inch chassis. In the
P1, Slots 7-12 use P2, and
P3. See Table 3 on page 4 for wiring
interconnect details.
3. PROVISIONING
Provisioning options are either hardware provisioned;
using DIP switches on the FXS/DPO printed circuit
board, or software provisioned; using the craft interface
(
ADMIN) on the System Controller Unit (SCU).
Selection of hardware or software provisioning is determined by the front panel recessed pushbutton
AP (see
Table 2).
61180403L1-5BIssue 2, December 2004 3
Table 3. Time Slot and Wiring Interconnect
Associated T1/DS0
Physical
Slot
1A1A1A11P1 - 26/1P1 - 26/1T/R
2A3A5A91P1 - 27/2P1 - 30/5T/R
3A5A9A171P1 - 28/3P1 - 34/9T/R
4A7A13A21P1 - 29/4P1 - 38/13T/R
5A9A17A101P1 - 30/5P1 - 42/17T/R
6A11A21A181P1 - 31/6P1 - 46/21T/R
7A13B1B11P1 - 32/7P2 - 26/1T/R
8A15B5B91P1 - 33/8P2 - 30/5T/R
9A17B9B171P1 - 34/9P2 - 34/9T/R
10A19B13B21P1 - 35/10P2 - 38/13T/R
11A21B17B101P1 - 36/11P2 - 42/17T/R
12A23B21B181P1 - 37/12P2 - 46/21T/R
13B1C1C11P1 - 38/13P3 - 26/1T/R
Dual T1
Quad T1
(D4)
Quad T1
(D1D)
Port
Amphenol Connections
23” Chassis
1180001L1
19” Chassis
1180019L1
Interconnect
Wiring
14B3C5C91P1 - 39/14P3 - 30/5T/R
15B5C9C171P1 - 40/15P3 - 34/9T/R
16B7C13C21P1 - 41/16P3 - 38/13T/R
17B9C17C101P1 - 42/17P3 - 42/17T/R
18B11C21C181P1 - 43/18P3 - 46/21T/R
19B13D1D11P1 - 44/19N/AT/R
20B15D5D91P1 - 45/20N/AT/R
21B17D9D171P1 - 46/21N/AT/R
22B19D13D21P1 - 47/22N/AT/R
23B21D17D101P1 - 48/23N/AT/R
24B23D21D181P1 - 49/24N/AT/R
Hardware Provisioning
DIP switches
provision many of the FXS/DPO options. Tab le 4 on
page 5 summarizes the options provisioned by the DIP
switches. Figure 2 on page 6 provides a graphic detail
of the four switches and the printed circuit board
markings.
SW1, SW2, SW3, and SW4 are used to
NOTE
Manual switches can only be used for the
negative portion of the TLP range. For
example, a switch setting of TX32 corresponds
to –3.2 dB.
4 Issue 2, December 200461180403L1-5B
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