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61700600L2-34A Copyright © 2012 ADTRAN, Inc. 25
APPENDIX A. CONNECTOR PIN DEFINITIONS
The following tables provide the pin assignments for the NetVanta 3100 Series base units.
Base Unit Pinouts
Table A-1. 10/100Base-T Ethernet Port Pinouts
Pin Name Description
1 TX1 Transmit Positive (PoE negative rail, switch ports only)
2 TX2 Transmit Negative (PoE negative rail, switch ports only)
3 RX1 Receive Positive (PoE negative rail, switch ports only)
4, 5 — Unused
6 RX2 Receive Negative (PoE negative rail, switch ports only)
7, 8 — Unused
Table A-2. DBU Connector Pinouts
Pin Name Description
1-2 — Unused
3 R Network–Ring
4T Network–Tip
5-6 — Unused
Table A-3. ADSL Connector Pinouts
Pin Name Description
1-2 — Unused
3 R Network–Ring
4T Network–Tip
5-6 — Unused