Serial (Printer)
From HwB
Pinout
25 PIN D-SUB MALE at the printer.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | SHIELD |  |
Shield Ground |
| 2 | TXD |  |
Transmit Data |
| 3 | RXD |  |
Receive Data |
| 4 | n/c | - | Not connected |
| 5 | n/c | - | Not connected |
| 6 | DSR | |
Data Set Ready |
| 7 | GND | |
System Ground |
| 8 | DCD | |
Data Carrier Detect |
| 9 | n/c | - | Not connected |
| 10 | n/c | - | Not connected |
| 11 | ? | |
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 | |
TTY Receive Data |
| 18 | n/c | - | Not connected |
| 19 | n/c | - | Not connected |
| 20 | DTR | |
Data Terminal Ready |
| 21 | n/c | - | Not connected |
| 22 | n/c | - | Not connected |
| 23 | ? | |
TTY Receive Data Return |
| 24 | ? | |
TTY Transmit Data Return |
| 25 | TTY-RXD | |
TTY Receive Data |