GOM-802 User Manual 
44 
PC – GOM 
RS-232C 
Connection 
The RS232 connection uses a Null-modem connection, 
in which transmit (TxD) and receive (RxD) lines are 
cross-linked. 
 
Interface Function Check 
 
Operation 
Run this query from the terminal. 
*idn? 
This should return the Manufacturer, Model number, and 
Firmware version. 
GW. Inc, GOM-802 , FW1.00   
Function Check 
Errors 
If you do not receive a proper response from the Meter, 
please check if the power is on, the GPIB address/RS232 
baud rate is correct, and all cable connections are active.