Cisco ASR 9901 Installation Guide

If a fan tray is still not functioning, there could be a problem with the fan tray controller card or an
undetected problem in the fan tray cable. Replace the fan tray.
•
• If the new fan tray does not function, contact a Cisco customer service representative for assistance.
• If the Fault indicator is on, the power supply is faulty. Replace the power supply.
• If the Temp and Fault indicators are on, an overtemperature condition exists:
• Verify that the power supply fan is operating properly.
• If the fan is not operating, replace the power supply.
• Contact your Cisco representative if replacing the power supply does not fix the problem.
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
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Troubleshooting the Installation
Isolating Cooling Subsystem Problems

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)