2-112.7 CONNECTING THE CABLEi). Turning the Power OffDepress the side marked “O” to turn the power off.Connect the power cable and SCSI signal cable asshown in Figure 2-7.ii). Turning the Power OnDepress the side marked “I” to turn the power on.The POWER LED will light. If not, please checkthe power source.iii). SCSI TerminationThe AV3200Ccomes complete with a built in SCSIterminator. If the scanner is the last device in a SCSIchain the terminator should be switched on. If thescanner is not the last device the terminator should beoff. The terminator on/off switch is located on theback of the scanner, to the left of the SCSI cableconnectors.