Installation guide

ManualsBrandsSIIG Manualscomputer componentsUSB to RS-422/485 Serial Adapter

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1. Pin 1-2 jumper setting is short by default,

Auto Detect / RS-485(2-Wire)

This COM port can automatically detect

the state of RS-422 full duplex or RS-485

half duplex and control the data

transmitting and receiving wires at the same

port.

2. Pin 2-3 jumper setting is short for RS-422/

RS-485(4-Wire)

This COM port forces to run RS-422 full

duplex mode.