DB-9/M Pin Assignment (Opt8-M9, Opt8D)
MODE | RS232 | |
PIN | ||
| ||
1 | DCD | |
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2 | RxD | |
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3 | TxD | |
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4 | DTR | |
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5 | GND | |
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6 | DSR | |
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7 | RTS | |
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8 | CTS | |
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DB-25/M Pin Assignment (Opt8B/C)
MODE | ||
PIN | ||
| ||
2 | TxD | |
|
| |
3 | RxD | |
|
| |
4 | RTS | |
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| |
5 | CTS | |
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6 | DSR | |
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| |
7 | GND | |
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8 | DCD | |
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20 | DTR | |
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