Chapter 4 Troubleshooting the Installation

Troubleshooting the Power Subsystem

Troubleshooting the Power Subsystem

Troubleshooting the AC-Input Power Subsystem, page 4-3

Troubleshooting the DC-Input Power Subsystem, page 4-5

Troubleshooting the Power Distribution System, page 4-8

Note For the RP card to communicate properly to a power module, input power to at least one of the two power modules should be present.

Troubleshooting the AC-Input Power Subsystem

AC-input power modules are monitored for internal temperature, voltage, and current load by the RP. If the router detects an extreme condition, it generates an alarm and logs the appropriate warning messages on the console.

Figure 4-1shows the status indicators for the power module. The indicator definitions are provided after the figure.

Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide

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Cisco Systems ASR 9001-S manual Troubleshooting the Power Subsystem, Troubleshooting the AC-Input Power Subsystem