User Manual
80 - Troubleshooting and Technical Support DeviceMaster Driver User Guide: 2000595 Rev. A
Sending and Receiving Test Data (RS-232/422 and RS-485: 4-Wire)
3. Start Test Terminal (WCom2) by clicking Tools > Applications > Test Terminal
(WCom2).
4. Select File > Open Port, the
appropriate port (or ports)
from the Open Ports drop-
down list and Ok.
Note: If you left Port Monitor
open from the previous
subsection, you should
show that the port is
open.
Go to the next procedure to send
and receive test data. Use the
appropriate procedure:
• Sending and Receiving Test
Data (RS-232/422 and RS-
485: 4-Wire) on Page 80
• Sending and Receiving Data
(RS-485: 2-Wire) on Page 82
Sending and
Receiving Test Data
(RS-232/422 and RS-
485: 4-Wire)
You can use this procedure to send and receive test data through the RS-232/422/
485 (4-wire, full-duplex) port or ports that you want to test.
1. If you have not done so, perform Steps 1
through 3 on Page 79.
2. Install the loopback plug onto the port (or ports) that you want to test.
See the DeviceMaster Installation and Configuration Guide that you can
download on
Page 7, if you need to build loopback plugs.
3. Select Port > Send and Receive Test Data.