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Appendix A • | • |
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Note : Each group of (RTS, CTS) and (DTR, DSR) pins have been shorted on A50/A51, which release the users from the hardware flow control cable wiring problem. Thus, there are two types of
Type 1: To connect
A50/A51 | DTE | A50/A51 | DTE | |||||
1 DCD | 8 | DCD | 1 | DCD | 1 | DCD | ||
2 DSR | 20 | DTR | 2 | DSR | 4 | DTR | ||
3 RTS | 5 | CTS | 3 | RTS |
| 8 | CTS | |
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5 TxD | 3 | RxD | 5 | TxD | 2 | RxD | ||
6 RxD | 2 | TxD | 6 | RxD | 3 | TxD | ||
7 GND | 7 | GND | 7 | GND | 5 | GND | ||
8 CTS |
| 4 | RTS | 8 | CTS | 7 | RTS | |
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9 DTR | 6 | DSR | 9 | DTR |
| 6 | DSR | |
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