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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04
Chapter 1 Cisco ASR 903 Router Overview
Cisco ASR 903 Router Features
Power Supply Features
The Cisco ASR 903 Router support AC and DC power supplies. For more information about installing
the Cisco ASR 903 Router power supplies, see the Installing the Power Supply, page 3-17 section. The
power sections provide more information about the power supply:
• Redundancy, page 1-4
• Dying Gasp, page 1-4
• Status LEDs, page 1-4
• DC Power Specifications, page 1-4
Operating Temperature The Cisco ASR 903 Router supports the
following temperature ranges with the DC power
supply:
• -60–4000 meters: -40 to 104 degrees F
(-40 to + 40 degrees C)
• -60–1800 meters: -40 to 149 degrees F
(-40 to + 65 degrees C)
The Cisco ASR 903 Router supports the
following temperature ranges with the AC power
supply:
• -60—4000 meters:32 to 104 degrees F
(0 to 40 degrees C)
• -60—1800 meters: 23 to 140 degrees F
(-5 to 60 degrees C)
Nonoperating Temperature -40 to 158 degrees F (-40 to + 70 degrees C)
storage temperature
Operating Humidity 5—95% operating noncondensing relative
humidity
Reviewers, is this number different for the AC
PS? (SFS lists 10-90%)
Operating Altitude Up to 4000 m operating altitude at up to 104
degrees F (40 degrees C) temperature
Nonoperating Altitude 4570 m storage altitude
Operating Vibration 0.41 Grms, 3 to 200 Hz/100 minutes per axis
Sine: 10 to 500 Hz. @ 0.15 G peak 5 sweep
cycles/axis
GR-63-CORE earthquake resistance, Zone 4,
shelf-level
Nonoperating Vibration Random: 1.15 gRMS 3 to 200 Hz, 30 minutes/axis
Sine: 10 to 500 Hz @ 0.8 G peak / 5 sweep
cycles/axis
Operating Acoustics < 55 dBa @ 27 degrees C
Table 1-1 Cisco ASR 903 Router System Specifications