Overview of AC and DC Power Supplies for the Cisco ASR 1001
Router
The Cisco ASR 1001 Router power supplies each provide 400 W of output power and are used in a 1 + 1
redundant configuration. There is no input switch on the faceplate of the power supplies. The power supply
will be switched from Standby to ON by way of a system chassis STANDBY/ON switch. The power supply
slot numbers are on the rear of the chassis to the left side of each power supply. When facing the rear of the
chassis, power supply slot 0 (PS0) is to the left and power supply slot 1(PS1) is to the right (next to the power
supply Standby switch).
The Cisco ASR 1001 Router supports the following power supplies:
• Cisco ASR 1001 Router AC power supply—Provides 400 watt output power with two DC voltage
outputs: +12 V and +5 V. The AC power supply operates between 85 and 264 VAC. The AC power
supply current shares on the 12 V output and is used in a dual hot pluggable configuration. The AC
power supply consumes a maximum of 471 W of input power.
• Cisco ASR 1001 Router DC power supply—Provides 400 watt output power with two DC voltage
outputs: +12 V and +5.0 V. The power supply operates between –40.5 and –72 VDC. The DC power
supply current shares on the 12 V output and is used in a dual hot pluggable configuration. The DC
power supply consumes a maximum of 500 W of input power.
Cisco ASR 1001 Router Power Supply Installation
The Cisco ASR 1001 Router AC and DC power supplies are shipped installed in the chassis. You must connect
the power supplies when they arrive.
The Cisco ASR 1001 Router can support two AC or two DC power supplies. Do not mix AC and DC
power supply units in the same chassis.
Note
Cisco ASR 1000 Series Router Hardware Installation Guide
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Cisco ASR 1001 Router Overview and Installation
Overview of AC and DC Power Supplies for the Cisco ASR 1001 Router
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