Installing Your 7890 ScannerPreparing for InstallationUser’s Guide 3-9Kit Description Kit NumberPower Module, 104-127 Vac, 60 Hz,USA/Canada Piggyback7890-K060-V001Auxiliary Power Cable(7450 0xxx and 1xxx)7890-K070-V001Auxiliary Power Cable(7450 24xx)7890-K071-V001Auxiliary Power Cable(7452 only)7890-K072-V001Two-Three Tag Firmware 7890-K511-V0012123 Cable with Opto Isolator 7890-K617-V001Before connecting your 7890 Scanner to a host terminalor PC, you must verify the communication protocolbeing used. The 7890 comes from the factoryprogrammed for OCIA NCR Short; however, thecommunications protocol is easily changed withouttaking the unit apart. Refer to Chapter 5, ProgrammingYour 7890 Scanner and Chapter 6, Troubleshooting Your7890 Scanner. Also, be sure that the application programrunning on your host terminal or PC can communicatewith the 7890 Scanner. Use the following procedure ifyou need to determine the communications protocolprogrammed in your 7890 Scanner.1 Apply power to the 7890 Scanner.2 Scan the Diagnostics tag; must be first tag scannedafter applying power.Determining theCommunicationProtocol
