4-3
CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
Chapter4 Troubleshooting the Installation
Troubleshooting Overview
Note There are two types of image files, -P PIE files, and x86-based -PX PIE files. -P PIE files are for use on
Cisco ASR 9000 Series Routers with RSP route switch processors (RSP-4G and RSP-8G). -PX PIE files
are for use on the routers with RSP-440/RSP-440 Lite and RSP-880 route switch processors, and the
Cisco ASR 9922 Router and CiscoASR 9912 Router route processors.
Normal Router Startup Sequence
You can generally determine when and where the router failed during the startup sequence by checking
the status LEDs on the power modules, and the alphanumeric displays on the RSP, RP, and line cards.
In a normal router startup sequence, the following sequence of events and conditions occur:
1. The fan in each power module receives power and begins drawing air through the power supply.
The power module input power and output power indicators are on.
2. The fans in the fan tray receive power and begin drawing air through the chassis.
The fan tray OK indicator is on.
3. As the power-on and boot process progresses for the RSP/RP, the status of the RSP/RP appears on
the alphanumeric display on the front panel of the card.
Cooling subsystem
Cisco ASR 9010Router
Cisco ASR 9006Router
Cisco ASR 9904Router
Cisco ASR 9912 Router
Consists of one or two fan trays, which circulate air through the
card cage to cool the cards, and two fans in each of the power
modules, which circulate cooling air through the power
module.
Cooling subsystem
Cisco ASR 9922 Router
Consists of four fan trays, which circulate air through the top
and bottom line card cages to cool the cards, and two fans in
each of the power modules, which circulate cooling air through
the power module.
Table4-1 Subsystem Descriptions for the Cisco ASR 9000 Series Routers (continued)
Type of Subsystem Description