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C PIN-OUTS
Null Modem Cable RJ-45 to RS-232 25-pin
Cable connector: | PC/Terminal |
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Cable connector: | ||||
Screen | Shell | 1 | Screen | only required if screen |
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TxD | 3 | 3 | RxD |
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RxD | 2 | 2 | TxD | always required |
Ground | 5 | 7 | Ground |
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RTS | 7 | 4 | RTS |
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CTS | 8 | 20 | DTR |
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DSR | 6 | 5 | CTS | required for handshake |
DCD | 1 | 6 | DSR |
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DTR | 4 | 8 | DCD |
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Cable connector: | |
Cable connector: |
Screen | Shell | Shell | Screen |
DTR | 4 | 1 | DCD |
TxD | 3 | 2 | RxD |
RxD | 2 | 3 | TxD |
CTS | 8 | 4 | DTR |
Ground | 5 | 5 | Ground |
DSR | 6 | 6 | DSR |
RTS | 7 | 7 | RTS |
DCD | 1 | 8 | CTS |
only required if screen
Required for handshake
Always required
required for handshake
always required
required for handshake