AFL-xxA-N26 Series Panel PCPage 63.8 J UMPER SETTINGS .................................................................................................... 423.8.1 Access the Jumpers .......................................................................................... 433.8.2 Preconfigured Jumpers .................................................................................... 433.8.3 Clear CMOS Jumper........................................................................................ 443.8.4 COM3 Port Pin 9 Select .................................................................................. 453.8.5 RS-232/422/485 Serial Port Select Jumper ..................................................... 463.8.5.1 COM4 RS-422 and RS-485 Pinouts ......................................................... 473.9 M OUNTING THE SYSTEM .......................................................................................... 483.9.1 Wall Mounting.................................................................................................. 483.9.2 Panel Mounting................................................................................................ 513.9.3 Arm Mounting .................................................................................................. 543.9.4 Cabinet and Rack Installation ......................................................................... 553.10 BOTTOM PANEL CONNECTORS ................................................................................ 573.10.1 LAN Connection............................................................................................. 573.10.2 Serial Device Connection (DB-9) .................................................................. 583.10.3 RJ-45 to DB-9 Serial Cable Connection........................................................ 603.10.4 USB Device Connection................................................................................. 604 SYSTEM MAINTENANCE ....................................................................................... 624.1 SYSTEM M AINTENANCE I NTRODUCTION .................................................................. 634.2 ANTI - STATIC PRECAUTIONS ...................................................................................... 634.3 TURN OFF THE POWER .............................................................................................. 644.4 OPENING THE SYSTEM .............................................................................................. 644.5 REPLACING COMPONENTS ........................................................................................ 644.5.1 Memory Module Replacement ......................................................................... 644.5.2 WLAN Module Replacement ............................................................................ 664.6 REINSTALLING THE COVERS ..................................................................................... 675 AMI BIOS SETUP ....................................................................................................... 685.1 I NTRODUCTION ......................................................................................................... 695.1.1 Starting Setup................................................................................................... 695.1.2 Using Setup ...................................................................................................... 695.1.3 Getting Help..................................................................................................... 705.1.4 Unable to Reboot After Configuration Changes.............................................. 705.1.5 BIOS Menu Bar................................................................................................ 70