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61700600L2-34A
Copyright © 2012 ADTRAN, Inc.
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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
4
T
Network–Tip
5-6
—
Unused
Table A-3. ADSL Connector Pinouts
Pin
Name
Description
1-2
—
Unused
3
R
Network–Ring
4
T
Network–Tip
5-6
—
Unused