C o m p a c t B o a r d P C M - 6 8 9 4Chapter 2 Quick Installation Guide 2 - 72.4 List of JumpersThe board has a number of jumpers that allow you to configure your systemto suit your application.The table below shows the function of each of the board's jumpers:JumpersLabel FunctionJBAT1 CMOS Status SetupJ1 ReservedJ2 LVDS Voltage SelectJ3, J4 & J5 Serial Port 2 Status SetupJ6 Serial Port 3 RING Status SetupJ7 Serial Port 4 RING Status SetupJ8 Watchdog Timer Status SetupJ9 LAN Status Setup