User`s manual

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Installation

JRS1: COM2 RS-232/422/485 Mode Selection (6)

The onboard COM2 port can be congured to operate in RS-422 or RS-485

modes. RS-422 modes differ in the way RX/TX is being handled. Jumper

JRS1 switches between RS-232 or RS-422/485 mode. When JRS1 is set to

RS-422 or RS-485 mode, there will be only +12V output let while JRS1 is set.

All RS-232/422/482 modes are available on COM2.

It can be congured COM2 to operate in RS-232, RS-422 or RS-485 mode

Connector type: 2.00mm pitch 2x3-pin headers.

Mode RS-232 (Default) RS-422 RS-485

1-2 ON OFF OFF

3-4 OFF ON OFF

5-6 OFF OFF ON

Jumpers