Cisco ASR 903 Installation Guide

Figure 6: Cisco ASR 903 Router Fan Tray (A903-FAN)
Fan Tray (A903-FAN-E)
The A903-FAN-E is a fan tray containing twelve (40 x 40 x 20 mm) fans and provides sufficient capacity to
maintain operation indefinitely in the event of an individual fan failure. It has a 8 mm fan dust filter that
prevents dust from entering the unit and avoids possible damage to the components. The fan tray is IEC60950-1
compliant.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
10
Overview
Fan Tray (A903-FAN-E)

Cisco ASR 903 Specifications

General

Form Factor	Modular
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% non-condensing
Redundancy	Yes, redundant power supplies and route processors
Operating System	Cisco IOS XE
Power Supply	AC or DC
Switching Capacity	240 Gbps
Operating Temperature	-40°C to 65°C (-40°F to 149°F)
MTBF	200, 000 hours
Supported Protocols	IPv4, IPv6, MPLS, L2VPN, L3VPN
Interfaces	Gigabit Ethernet, 10 Gigabit Ethernet, T1/E1