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61200890E2-34R Copyright © 2013 ADTRAN, Inc. 59
APPENDIX A. CONNECTOR PIN DEFINITIONS
The following tables provide the pin assignments for the base unit, network interface modules (NIMs), and
dial backup interface modules (DIMs).
Base Unit Pinouts
Table A-1. 10/100Base-T Ethernet Port Pinouts
Pin Name Description
1 TX1 Transmit Positive
2 TX2 Transmit Negative
3 RX1 Receive Positive
4, 5 — Unused
6 RX2 Receive Negative
7, 8 — Unused
Table A-2. 1000Base-T Gigabit Ethernet Port Pinouts
Pin Name Description
1 TRD0+ Transmit/Receive Positive
2 TRD0- Transmit/Receive Negative
3 TRD1+ Transmit/Receive Positive
4 TRD2+ Transmit/Receive Positive
5 TRD2- Transmit/Receive Negative
6 TRD1- Transmit/Receive Negative
7 TRD3+ Transmit/Receive Positive
8 TRD3- Transmit/Receive Negative