
Appendix C Cable and Port Specifications
COM1 Port
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Table 
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 | Console | 
| Console Port | 
 | Terminal Adapter | Device | |
| 
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| Signal | 
 | 
 | Signal | |
| 
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| RTS | 1 | 8 | 8 | CTS | 
| 
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| DTR | 2 | 7 | 6 | DSR | 
| 
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 | 
 | 
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| TxD | 3 | 6 | 2 | RxD | 
| 
 | 
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 | 
 | 
 | 
| GND | 4 | 5 | 5 | GND | 
| 
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 | 
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| GND | 5 | 4 | 5 | GND | 
| 
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| RxD | 6 | 3 | 3 | TxD | 
| 
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| DSR | 7 | 2 | 4 | DTR | 
| 
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| CTS | 8 | 1 | 7 | RTS | 
| 
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COM1 Port
The COM1 port is a serial port with a 
Note The COM1 port is not supported for connection to a console.
Note Connecting the COM1 port to a modem is supported only for switches running Cisco MDS 
| 
 | Cisco MDS 9216 Switch Hardware Installation Guide | 
