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 |
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1 | TX1 | Transmit Positive |
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2 | TX2 | Transmit Negative |
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3 | RX1 | Receive Positive |
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4, 5 | — | Unused |
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6 | RX2 | Receive Negative |
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7, 8 | — | Unused |
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Table
Pin | Name | Description |
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1 | TRD0+ | Transmit/Receive Positive |
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2 | TRD0- | Transmit/Receive Negative |
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3 | TRD1+ | Transmit/Receive Positive |
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4 | TRD2+ | Transmit/Receive Positive |
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5 | TRD2- | Transmit/Receive Negative |
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6 | TRD1- | Transmit/Receive Negative |
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7 | TRD3+ | Transmit/Receive Positive |
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8 | TRD3- | Transmit/Receive Negative |
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