
Table 
Ethernet RJ-45 
Connector and Icon
1 3 5 7
2 4 6 8
| Pin | 
 | Signal | 
| 1 | 
 | (+) Transmit data | 
| 2 | 
 | |
| 3 | 
 | (+) Receive data | 
| 4 | 
 | Unused | 
| 5 | 
 | Unused | 
| 6 | 
 | |
| 7 | 
 | Unused | 
| 8 | 
 | Unused | 
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Table 
Universal Serial Bus (USB)
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 | Connector and Icon | 
 | Pin | 
 | Signal | |||||
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 | 1 | 
 | VCC | |
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 | 2 | 
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| 
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 | 3 | 
 | +Data | ||||||
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 | 4 | 
 | Ground | |
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Compaq Professional Workstation AP500 Maintenance and Service Guide
