25 pin D-SUB male connector 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 |
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