On the Options menu, click CIUMon Settings. Click the Configuration tab.
In the CIU Type box, click your CIU type.
If any of the following special situations apply, change the settings as needed:
If you are connecting to a serial port module (SPM01 or SPM02), type the loop number in the Loop box and the PCU number in the PCU box. These parameters tell CIUMon which Loop and PCU the serial port module is connected to.
CIUMon will send an environment fetch to get the loop and PCU from an SPM02, but the fetched loop and PCU will be meaningless. CIUMon must use the specified loop and PCU to know what requests to send to the serial port module.