Appendix B: Connections and Pinouts
Figure B-4 DB9F in RS485 (2-Wire) Mode (xDirect485 & PoE Models)
Ethernet Connector Pinouts
The xDirect supports 10/100 Mbps half or full duplex Ethernet through an RJ45 connector. For PoE option, the xDirect is compliant as an IEEE 802.3af Power Device, Class . Power connections can be established via data pins (1 & 2 and 3 & 6), or spare pins (4 & 5 and 7 & 8).
Figure B-5 RJ45 Ethernet Connector
Table B-6 Ethernet RJ45 Connector Pin-Outs
Pin | Ethernet Data | PoE Alternate A | PoE Alternate B | PoE Alternate C | PoE Alternate D |
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| (data pins) | (data pins) | (spare pins) | (spare pins) |
1 | TX+ (out) | VDC+ | VDC- |
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2 | TX- (out) | VDC+ | VDC- |
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3 | RX+ (in) | VDC- | VDC+ |
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4 |
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| VDC+ | VDC- |
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5 |
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| VDC+ | VDC- |
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6 | RX- (in) | VDC- | VDC+ |
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7 |
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| VDC- | VDC+ |
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8 |
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| VDC- | VDC+ |
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Note: The Ethernet connector
xDirect User Guide | 73 |