123.3 Install Optional Rear Top Mount Customer Displaya. Secure the screws of customer displayon the base.There are 2 securing holes for installingthe Customer Displayb. Plug the cable to a free COM port of thecomputer and connect the extensionpower cable to the power source.NoteThe rear top mount customer display is an Optional Accessory and not included in the standardpackage. Please contact your local representative for further information.Securing ScrewsCOM PortPowerSource