Using The Download Port As A Com Port - ICP DAS USA I-7188XB Series User Manual

4.3 Using the Download Port as a COM Port

The download port (COM1) of the I-7188XB(D) can be used as a
general purpose RS-232 port in the following manner:
Step 1: Download custom programs and autoexec.bat to I-7188XB(D)
first.
Step 2: Switch off the I-7188XB(D) and remove the download cable from
the Host PC.
Step 3: Disconnect the INT* pin from the GND pin of the I-7188XB(D) if
they are connected.
Step 4: Switch on the I-7188XB(D) (no standard input, no standard
output, no debug information).
Step 5: Connect a download cable between a new RS-232 device and
the COM1 of the I-7188XB(D).
Step 6: Initialize the COM1 to the new configuration.
Step 7: The COM1 of the I-7188XB(D) can now be used a general
purpose RS-232 port.
I-7188XB Series User's Manual(Ver.1.0, Apr/2007, 7MH-020-10 ) --- 50