Chapter 2 Configuration and Installation© National Instruments Corp. 2-3 GPIB-232CV User ManualStep 1. InspectionBefore you install the GPIB-232CV, inspect the shipping container and itscontents for damage. If damage appears to have been caused in shipment,file a claim with the carrier. Retain the packing material for possibleinspection and/or reshipment.If the equipment appears to be damaged, do not attempt to operate it.Contact National Instruments for instructions.Step 2. Verify the Voltage RequirementThe GPIB-232CV is shipped from the factory with either a 115V or 230Vwall-mount supply. Verify that the voltage on the supply matches thevoltage that is supplied in your area.Warning: Operating the unit at any voltage other than the onespecified could damage the unit.Step 3. Configure the Operating ParametersThe GPIB-232CV is shipped from the factory configured to operate in Dmode and is set to GPIB primary address 5. The serial port is configured at9600 baud, 1 stop bit, no parity, and 7 data bits with XON/XOFF protocoldisabled. If you wish to change any of the GPIB-232CV parameters, youmust open the unit and set the configuration switches. To change theconfiguration switches follow these steps:1. Disconnect power to the unit and disconnect any cables that may beconnected to the unit.2. Unscrew the two screws on the opposite sides of the rear panel.3. Grab the rear panel bezel and pull it straight away from the rest of theunit. The card should slide out the back of the enclosure.4. Locate the configuration DIP switches (U20 and U22) on the printedwire board.5. Set the switches for the desired mode of operation, as described in thefollowing section, Set Configuration Switches.