Kyocera DP-3600 Instruction Handbook Manual page 232

Changing the Jumper Setting
1. There is a jumper located on the main board in the location shown in the diagram. Referring to
the diagram, set this jumper in the position which matches the serial interface mode to be used.
In this example, the jumper setting is changed from RS-232C to RS-422A.
RS-232C Setting Position
(factory setting)
RS-422A Setting Position
1.
After completion of the above, replace the rear panel and secure it with the screws.
Serial (RS-232C/RS-422A) Interface
Jumper Connector
C-11