CABLES
Console Port Pin Assignments
The
Figure B-2. DB-9 Console Port Pin Numbers
DB-9 Port Pin Assignments
EIA | CCITT | Description | Switch’s | PC DB9 | Signal |
Circuit Signal |
| DB9 DTE | DTE | Direction | |
|
|
| Pin # | Pin # |
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|
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|
|
|
BB | 104 | RxD (Received Data) | 2 | 2 | |
BA | 103 | TxD (Transmitted Data) | 3 | 3 | |
AB | 102 | SGND (Signal Ground) | 5 | 5 |
No other pins are used.
Console Port to 9-Pin COM Port on PC
Switch’s | CCITT Signal |
| PC’s | |
Serial Port |
|
|
| COM Port |
|
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|
|
|
2 RXD | < | 3 TxD | ||
3 TXD | TXD | > | 2 RxD | |
5 SGND | SGND | 5 SGND |
No other pins are used.