25Pole-Type 2nd Display Module Installation1. Turn off the system power properly through the operating system, then turn off any externaldevices.2. Disconnect the power cord from the power outlet and disconnect any external devices.CAUTION: Regardless of the power-on state, voltage is always present on the main board aslong as the system is plugged into an active AC outlet. You must disconnect thepower cord to avoid damage to the internal components of the system.3. Unscrew the I/O cover, slide it out, and store in a secure location for possible future use.4. Connect 8.9inch pole display module both end connector to POS-400 Expander II COM6 port andVGA port respectively. If you are installing pole type VFD, it has only a VFD cable to connect toPOS-400 Expander II COM6 port. Then the plastic clip on the I/O cover must lock over the end ofthe base.5. Secure the two screws under the I/O cover and one screw above the I/O cover.6. Reconnect the power cord and any external devices, then turn on VFD/LCD power. Finally, turn onthe system power.NOTE: The Pole mound VFD module please follow the same step but just need putconnect into POS-400 Expander II COM6 port. And its configuration utility be putunder \ Optional Module Data & Tool\VFD\PoleMount VFD . If you need it,please execute the utility under \ Optional Module Data & Tool\VFD\PoleMount VFDCOM6