Hardware Installation; Open The Case - Titan USB-COMi Installation Manual

Hardware Installation

Inside the unit, there is one 3-pin DIP switch for selection of operation mode. You
need to open up the plastic housing by using a screw driver as shown below. You
can set the switch settings to RS-422 or RS-485 mode as per the requirements of
your application.
You need to install driver first, prior to hardware installation. After the setting of DIP
switch and connecting USB cable to the adapter, you then start driver installation.
The Mode Block Configuration Settings are listed as follows:
RS-422 & RS-485 Mode Block Configuration
RS-422
RS-485
USB-COMi & USB-COMi-SI USB to RS-422/485 Adapters User's Manual

Open the case

SW (DIP Switch) for Mode Setting
Operation Mode
4 wire with Handshaking
Full Duplex (4 wire)
Half Duplex (2 wire)
- with Echo
Half Duplex (2 wire)
- without Echo
S1 S2 S3
ON ON ON
ON ON
OFF
ON
OFF OFF
OFF OFF OFF
3