D-1

3160-A2-GB21-80 March 1999
Pin Assignments D
Overview
The DSU/CSU is shipped with a power module and a VF cable. Various other
interconnecting cables are available. For cable feature numbers, refer to
Appendix I,
Equipment List
. This appendix describes connector pin assignments
and cables.

T1 Network Interface

The T1 network interface connector is an RJ48C, 8-position, unkeyed modular
jack (Table D-1).
The T1 line interface cable is a 20-foot, 24 AWG solid, 2-twisted pair cable that is
either RJ48C-to-RJ48C (Figure D-1) or RJ48C-to-DA15P (Figure D-2).
Table D-1. T1 Network Interface Connector
Signal Pin Number
Receive Ring 1
Receive Tip 2
Transmit Ring 4
Transmit Tip 5