ICP DAS USA I-7540D - Manual (Page 109)

7. Diagnostics and Troubleshooting
7.1 Diagnostics
After configuring the VxComm Driver by using the VxComm Utility, the VxComm
Driver should work without error. However, users can use a simple test to make
sure it's working properly.
Note: The test method depends on the user's devices and client programs.
„ Example 1: Loop-Back Testing
Step 1: Connect the TXD1 to the RXD1 of the i-7540D.
Path 1 COM1
RXD1
TXD1
COM1
(Real COM)
COM4
(Virtual COM)
Connect by a wire
Path 2
Step 2: Set COM1 of the i-7540D as virtual COM4 of the Host PC using the
VxComm Utility.
i-7540D CAN-Ethernet Gateway User’s Manual (Version 1.4, April/2008) 109