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Datamax-O'Neil H-Class Operator’s Manual User Manual

Page 152

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142

H-Class

Communication Jumper Locations



+5 Volts Jumper Location


5. Slide the Main Board into the printer and secure it with the two previously removed

Screws.


6. Connect communication cables to the Main Board and plug in the power cord.

For RS-422/485 communications, ensure that
your cable meets the requirements (per the table,

right) for proper data transfer.

Serial Port

Pin Number

RS-422 & RS-485

Function

1 ---
2 RX-
3 TX+
4 ---
5 GND
6 ---
7 TX-
8 RX+
9 ---