Specifications

T1 Connectors A-1

Appendix A

Interface Specification

A.1 T1 Connectors

T1 module connectors are of type RJ-45. An RJ-45 connector is mounted on the

4T1/BAL for each T1 channel. The pin assignment of the T1 RJ-45 connector is

indicated in Table A-1.

Table A-1. T1 RJ-45 Connector Pin Assignment

Pin Designation Function Direction

1 RD(T) Receive Data (Tip) Input

2 RD(R) Receive Data (Ring) Input

3 FG Frame Ground –

4 TD(R) Transmit Data (Ring) Output

5 TD(T) Transmit Data (Tip) Output

6 FG Frame Ground –

7, 8 Not connected –

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