Computer Pin Name |
Computer Pin Number |
Direction | Printer Pin Number |
Printer Pin Name |
Description |
RXD | 2 | <-- | 2 | TXD | RS232 |
TXD | 3 | --> | 3 | RXD | |
DTR | 4 | -?- | 6 | DSR | |
Ground | 5 | <--> | 7 | Ground | |
DSR | 6 | -?- | 20 | DTR | |
RTS | 7 | --- | 5 | CTS | |
CTS | 8 | --- | 4 | RTS |