Modem Cable
If you want to connect to the manager port using a modem, you will need a cable as shown in the table below. This connects the manager port’s 9 pin
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| Terminal |
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| or Com |
3Com end | Signal Name Pin | Signal Name | port end |
Links |
| pin number | |
pin no. |
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| male/female | |
connector) |
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| connector) |
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Shell | Screen | Screen | 1 |
3 | TxD | TxD | 2 |
2 | RxD | RxD | 3 |
7 | RTS | RTS | 4 |
8 | CTS | CTS | 5 |
6 | DSR | DSR | 6 |
5 | Ground | Ground | 7 |
1 | DCD | DCD | 8 |
4 | DTR | DTR | 20 |
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Interface Cable Characteristics |
LAN Port Connecting Cable - 10BaseT
The 10BaseT port terminates with an RJ45 connector which can be connected to the 10BaseT port on another device. The table below shows the
| 3Com end |
| Client end |
Pin | pin no. |
| pin no. |
|
| (RJ45) | |
Links (RJ45) | Signal name | ||
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| 1 | TxD+ | 1 |
| 2 | TxD- | 2 |
| 3 | RxD+ | 3 |
| 4 | not used | 4 |
| 5 | not used | 5 |
| 6 | RxD- | 6 |
| 7 | not used | 9 |
| 8 | not used | 10 |
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