host 1.0V_PEX1 992 n/a
host 1.0V_PEX2 999 n/a
host 1.5V_NP4C2 1500 n/a
LED Information
---------------------------------------------
R/S/I Modules LED Status
0/RSP0/*
host Critical-Alarm Off
host Major-Alarm Off
host Minor-Alarm Off
host ACO Off
host Fail Off
RP/0/RSP0/CPU0:ios#
Troubleshooting the Power Distribution System
The power distribution system consists of:
•
AC or DC power modules that supply +12 VDC to the backplane.
•
Chassis backplane that carries voltage to chassis components.
•
DC-to-DC converters that convert +12 VDC from the backplane to the correct voltages required by the
line card.
Use this procedure to troubleshoot the power distribution system:
Procedure
Step 1
Check each power module to make sure that:
•
Power module is fully inserted and properly secured by its latch.
•
Green LED is on.
•
Amber LED is off.
If the power modules meet the above criteria, then the correct source power is present and within tolerance,
and output DC power is present. The power modules are functioning properly.
Step 2
Make sure the fan tray is operating:
•
If the fan tray is functioning, then the +12 VDC from the chassis backplane to the fan tray is functioning
properly.
•
If the fan tray is still not operating, there could be a problem with either the fan tray or with the +12
VDC distribution through backplane.
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
94
Troubleshooting the Installation
Troubleshooting the Power Distribution System
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