 (At the printer)
25 PIN D-SUB MALE at the printer. | Pin | Name | Dir | Description | | 1 | SHIELD | ------ | Shield Ground | | 2 | TXD | OUT | Transmit Data | | 3 | RXD | IN | Receive Data | | 4 | n/c | - | Not connected | | 5 | n/c | - | Not connected | | 6 | DSR | IN | Data Set Ready | | 7 | GND | ------ | System Ground | | 8 | DCD | IN | Data Carrier Detect | | 9 | n/c | - | Not connected | | 10 | n/c | - | Not connected | | 11 | ? | OUT | Reverse Channel | | 12 | n/c | - | Not connected | | 13 | n/c | - | Not connected | | 14 | n/c | - | Not connected | | 15 | n/c | - | Not connected | | 16 | n/c | - | Not connected | | 17 | TTY-TXD | OUT | TTY Receive Data | | 18 | n/c | - | Not connected | | 19 | n/c | - | Not connected | | 20 | DTR | OUT | Data Terminal Ready | | 21 | n/c | - | Not connected | | 22 | n/c | - | Not connected | | 23 | ? | OUT | TTY Receive Data Return | | 24 | ? | IN | TTY Transmit Data Return | | 25 | TTY-RXD | IN | TTY Receive Data |
|