25 pin D-SUB MALE connector to the computer1 | | Name | Pin | Pin | Name | | Protective Ground | 1 | 1 | Protective Ground | | Transmit Data | 2 | 3 | Receive Data | | Receive Data | 3 | 2 | Transmit Data | | Request to Send | 4 | 5 | Clear to Send | | Clear to Send | 5 | 4 | Request to Send | | Data Set Ready | 6 | 20 | Data Terminal Ready | | Signal Ground | 7 | 7 | Signal Ground | | Data Terminal Ready | 20 | 6 | Data Set Ready | |
25 pin D-SUB MALE connector to the computer2 |
