Cisco ASR 9901 Hardware Installation Guide

Troubleshooting the DC-Input Power Subsystem
DC-input power supplies 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.
The following figure shows the status indicators for the power module.
Figure 101: Cisco ASR 9901 DC-Input Power Module Status Indicators
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
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Troubleshooting the Installation
Troubleshooting the DC-Input Power Subsystem

Cisco ASR 9901 Specifications

General

Chassis Height	1 RU
Rack Mounting	Yes
Redundancy	Yes
Operating System	Cisco IOS XR
Switching Capacity	Up to 1.2 Tbps
Memory	16 GB
Power Supply	Dual redundant AC or DC
Interfaces	10GE, 100GE
Operating Temperature	0 to 40°C (32 to 104°F)
Input Voltage	100-240V AC
Power Consumption	Varies based on configuration
Storage	64 GB SSD
Humidity	5% to 95% (non-condensing)