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 ---
Summary of Contents for H-4212
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