ADTRAN Total Access 750 BCU DSX-1 Installation And Maintenance Manual

Total Access
CONTENTS
1. GENERAL ................................................................... 1
2. INSTALLATION .......................................................... 2
3. OPTIONS ..................................................................... 2
4. TESTING ..................................................................... 5
5. SPECIFICATIONS ....................................................... 6
6. MAINTENANCE ......................................................... 6
7. WARRANTY AND CUSTOMER SERVICE .............. 7
Figures
Figure 1. Total Access 750 BCU, List 2 ............................. 1
Figure 2. Time Slot Usage .................................................. 4
Figure 3. Bantam Jack Monitoring Points .......................... 6
Figure 4. DB-9 Connector Pinout ....................................... 6
Tables
Table 1. Compliance Codes ............................................... 2
Table 2. DIP Switch S1 Options ......................................... 3
Table 3. Pinout Connectors for RJ-48 TI Interface ............ 5
Table 4. Pinout Connectors for RJ-48 FTI Interface .......... 5
Table 5. LED Indication ...................................................... 5
Table 6. Specifications ....................................................... 8

1. GENERAL

This practice provides installation and operation
procedures for the ADTRAN Total Access
Bank Controller Unit (BCU) common module, List 2.
The BCU L2 adds the capability to support Fractional
T1 operation via a DSX-1 interface port (RJ-48) on
the rear of the TA 750 Chassis. This port is
commonly used to interface with PBX equipment.
The TA 750 BCU L2 module is designed specifically
for the ADTRAN Total Access 750 and is not used in
any other product. Figure 1 is an illustration of the
TA 750 BCU.
Revision History
This document has been revised to include Windows
Hyperterminal PASSWORD information, and update
Switch settings.
Features
The TA 750 BCU, P/N 1175012L2, includes the
following features:
• Controls all common equipment and access
modules.
Trademarks: Any brand names and product names included in this document are
61175012L2-5D
Bank Controller Unit with Fractional T1 (DSX-1)
TM
TA 750 BCU with Fractional T1 (DSX-1)
Installation and Maintenance
750
TM
Section 61175012L2-5, Issue 4
trademarks, registered trademarks, or trade names of their respective holders.
CLEI Code: SIUXJKBB_ _

Figure 1. Total Access 750 BCU, List 2

• Supports DSX-1 short haul T1 interface.
• T1 network termination.
• Built-in Channel Service Unit (CSU).
• Provides VT 100 craft interface via faceplate
DB-9 connector.
• Bantam Jacks provide access to Network T1.
• LED network status indication.
• T1 performance monitoring.
• Supports TR-08 signaling.
• UL 1950 compliant.
• Meets NEBS Level 3 requirements.
General Description
The TA 750 BCU L2 is a common module plug-in
unit designed for the TA 750. The BCU, with a built-
in CSU, provides all control functions for the TA 750
common units and all individual access modules. A
faceplate ADMIN DB-9 provides access for a VT100
terminal for screen menu provisioning, and bantam
test jacks provide, transmit, and receive monitoring.
An additional TEST DB-9 provides timing for DS0
test equipment. Faceplate LEDs show status
information for the network and Fractional (DSX-1)
T1. The unit is comprised of a main circuit board and
Section 61175012L2-5D
Issue 4, July 2000
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