Configuring the Host Computer for
RS-232 Cabling
Origination | Termination | Name | Dir | Description | |
(Mod. 8 x 8) | (DB9S) | ||||
|
|
| |||
1 | 8 | RTS | Out | Printer is ready to receive data | |
2 | 3 | RX | In | Data to the printer | |
3 | 2 | TX | Out | Data from the printer | |
4 | 5 | GND | Signal, earth, and power ground | ||
5 | 7 | CTS | In | Depends on software selection | |
6 | 6 | DTR | Out | Indicate printer is online |
Modular Plug
RS-232 Signal Levels
The serial interface uses standard
Signal Level | Input | Output |
MARK (1) | ||
SPACE (0) | +5 V to +27 V | +12 V |
4
