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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter1 Cisco ASR 903 router Overview
CiscoASR 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, page3-19 section. The
power sections provide more information about the power supply:
•Redundancy, page1-4
•Dying Gasp, page 1-4
•Status LEDs, page 1-4
•DC Power Specifications, page1-4
•AC Power Specifications, page1-6
Operating Temperature The CiscoASR 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 55 degrees C)
Nonoperating Temperature -40ºF to 185ºF (-40ºC to +85ºC) storage
temperature
Operating Humidity 5—95% operating noncondensing relative
humidity
Operating Altitude -60m to 1800m operating altitude for full
operating temperature range; up to 4000m at up to
40ºC.
Nonoperating Altitude 4572 m storage altitude
Vibration 1.0 g from 1.0 to 150 Hz
Shock 30 G half sine 6 ms and 11 ms
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
Table1-1 CiscoASR 903 router System Specifications