Specifications

FCD-E1LC Ver. 1.0 Main Link Connection Data A-1

Appendix A

Connection Data

A.1 Main Link Connection Data

Connector Data

The main link port is terminated in an eight-pin RJ-45 connector, designated

E1/T1 MAIN.

Table A-1

lists the pin assignment of the connector, and

Figure A-1

identifies the connector pins.

Table A-1. Main Link Connector, Pin Assignment

Pin Function

1 Receive data input (ring)

2 Receive data input (tip)

3 Not connected

4 Transmit data output (ring)

5 Transmit data output (tip)

6 Not connected

7 Sense pin for detecting the connection of the unbalanced interface adapter cable

8 Ground

Figure A-1. Main Link RJ-45 Connector, Pin Identification