
Appendix A Specifications and Cables
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 | Port Connector Pinouts | 
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 | Function | Function | ||||
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 | (TO HUB/TO PC Button – | (TO HUB/TO PC Button – | ||||
| Pin | 
 | IN Position) | OUT Position) | ||||
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| 1 | 
 | TX+ | RX+ | ||||
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| 2 | 
 | TX– | RX– | ||||
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| 3 | 
 | RX+ | TX+ | ||||
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| 4 | 
 | Unused | Unused | ||||
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| 5 | 
 | Unused | Unused | ||||
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| 6 | 
 | RX– | TX– | ||||
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| 7 | 
 | Unused | Unused | ||||
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| 8 | 
 | Unused | Unused | ||||
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| Pin | 
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 | Function | 
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| 1 | 
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 | RTS | 
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| 2 | 
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 | DTR | 
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| 3 | 
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 | TXD | 
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| 4 | 
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 | GND | 
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| 5 | 
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 | GND | 
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| 6 | 
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 | RXD | 
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| 7 | 
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 | DSR | 
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| 8 | 
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 | CTS | 
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 | Cisco 828 Router and SOHO 78 Router Hardware Installation Guide | 
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