6-2
Power-on check
WARNING!
Locate the power switch in the equipment room before powering on the router so you can quickly
shut power off when an electrical accident occurs.
CAUTION:
Before powering on the router, make sure all fan tray slots are installed with a fan tray correctly.
Power-on check flowchart
Figure6-2 Power-on check flowchart
Checking the LEDs
After the router powers up, you can determine whether the router and the components are operating
correctly by observing the LEDs on the MPUs and other components. When the router and
components are operating correctly, the LEDs are as described in
. If the LED
states are not as described in
and
, the router and components might be faulty. To
identify and resolve the issue, see "Troubleshooting."
End
Normal?
Troubleshoot
Power on the router
No
Yes
Normal?
Yes
Start
Check the ground
resistance value
Yes
Check the input voltage
Normal?
No
Troubleshoot
Troubleshoot
No