Appendix C; Rs-422/485 Port Configuration - Datamax H-4212X Operator's Manual

Appendix C

RS-422/485 Port Configuration

The serial port can be configured for RS-422/485 communications, and / or a +5VDC (@
0.5A maximum) source for powering external devices.
The Serial Port default configuration is "RS-232" and Pin 1 "Not Connected."
1. Turn OFF the printer and unplug the power cord.
2. Remove the communication cables from the Main Board.
3. Loosen and remove the two Screws securing the Main Board to the printer.
4. Slide the Main Board out of the printer then move the jumpers according the needs of
the application:
For RS-422/485 operation, place the jumper across pins E4 and E5;
•
For +5VDC on Pin 1, place the jumper across pins E1 and E2; or,
•
For RS-232 operation (default), place the jumper across pins E5 and E6;
•
For no voltage on Pin 1 (default), place the jumper across pins E2 and E3.
•
H-Class 139