Hardware Specifications
C.2.3.1 155 Mbps UTP Pinout Specifications
155 Mbps UTP network modules have a standard
Pin Number | Signal | Signal Name | |
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1 | RX+ | Receive Data + | |
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2 | RX- | Receive Data - | |
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3 |
| Not Used | |
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4 |
| Not Used | |
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5 |
| Not Used | |
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6 |
| Not Used | |
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7 | TX+ | Transmit Data + | |
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8 | TX- | Transmit Data - | |
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C.2.3.2 Connecting Switches with 155 Mbps UTP Network Modules
When connecting switches using 155 Mbps UTP network modules, you need to use a category 5 UTP crossover cable with the following specifications:
•Pin 1 to pin 7 in both directions.
•Pin 2 to pin 8 in both directions.
155 Mbps UTP | Pin | Pin | 155 Mbps UTP |
RX+ | 1 | 1 | RX+ |
RX- | 2 | 2 | RX- |
| 3 | 3 |
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| 4 | 4 |
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| 5 | 5 |
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| 6 | 6 |
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TX+ | 7 | 7 | TX+ |
TX- | 8 | 8 | TX- |
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