User Manual

M40 Internet Router Hardware Guide
viii
Disconnect and Connect DC Power ....................................................................147
Disconnect DC Power from the Router........................................................147
Connect DC Power to the Router.................................................................149
Chapter 11
Maintain and Replace Cooling System Components....................153
Tools and Parts Required....................................................................................153
Maintain and Replace the Air Filter.....................................................................154
Remove the Air Filter ..................................................................................154
Install the Air Filter......................................................................................155
Maintain and Replace the Fan Tray ....................................................................155
Remove the Fan Tray ..................................................................................156
Install the Fan Tray......................................................................................156
Maintain the Impeller Assemblies ......................................................................157
Replace the Lower Impeller Assembly ................................................................158
Remove the Lower Impeller Assembly ........................................................158
Install the Lower Impeller Assembly............................................................159
Replace the Upper Impeller Assembly ................................................................159
Remove the Upper Impeller Assembly ........................................................159
Install the Upper Impeller Assembly............................................................160
Chapter 12
Maintain and Replace Packet Forwarding Engine
Components
............................................................................................................161
Tools and Parts Required....................................................................................161
Maintain FPCs and PICs .....................................................................................162
Replace an FPC or Quad-wide PIC ......................................................................163
Remove an FPC or Quad-wide PIC ..............................................................163
Install an FPC or Quad-wide PIC..................................................................165
Replace a PIC......................................................................................................167
Remove a PIC..............................................................................................167
Install a PIC .................................................................................................168
Maintain the SCB ................................................................................................169
Replace the SCB..................................................................................................169
Remove the SCB..........................................................................................170
Install the SCB .............................................................................................171
Chapter 13
Maintain and Replace Routing Engine Components.....................173
Tools and Parts Required....................................................................................173
Maintain the Routing Engine ..............................................................................174
Replace the Routing Engine Housing ..................................................................174
Remove the Routing Engine Housing ..........................................................175
Install the Routing Engine Housing..............................................................175