9845B/C Environmental, Installation, and Preventive Maintenance Requirements 2-9 Interface Select Codes A select code is set on each interface at the factory. To change the select code, use a small screwdriver to rotate the switch which is accessible through the top of the interface rear hous- ing. Do not set two or more interfaces to the same select code number. I The following select codes are permanently reserved by the system and should not be set on any interface:
o - Internal thermal printer and keyboard 13 - Graphics 14 - Left tape cartridge drive 15 - Right tape cartridge drive 16-CRT Checking Fuses, Voltage and Power Cords Introduction The 9845B has a power cord connector, a fuse, and a voltage selector switch located on the rear panel of the mainframe, as shown.