•
Contact your Cisco representative if replacing the fan tray does not fix the problem.
Troubleshooting the Route Processor Subsystem
The router processor subsystem consists of the route processor located on the RP card. The RP and the line
card each has the same onboard CPU serving as the main processor. The Controller Area Network (CAN)
microcontroller processor monitors the environment and controls the onboard DC-to-DC converters.
Route Processor Overview
The CPU on the RP card provides chassis control and management, boot media functionality, telecom timing
and precision clock synchronization, communication to the line card through the backplane Ethernet network,
and power control through the CAN bus. In addition, the CPU on the RP card also runs the routing protocols.
The following figure identifies the slots, ports, and LEDs on the RP card front panel.
Figure 58: Cisco ASR 9001 Router Chassis Front Panel
External USB port
6
Service LAN and ToD
ports
1
Eight discrete LED
indicators
7
10MHz and 1PPS ports
2
CLUSTER ports
8
SYNC (BITS/J.211) ports
3
Line Card SFP+ ports
9
CONSOLE and AUX
ports
4
Management LAN ports
5
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
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Troubleshooting the Installation
Troubleshooting the Route Processor Subsystem
