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Cisco ASR 1001-X Router Hardware Installation Guide
OL-32376-02
Chapter 3 Preparing Your Site for Installation
Site Planning
Site Power Guidelines
The Cisco ASR 1001-X Router has specific power and electrical wiring requirements. Adhering to these
requirements ensures reliable operation of the system. Follow these precautions and recommendations
when planning your site for the Cisco ASR 1001-X Router:
• The redundant power option provides a second, identical power supply to ensure that power to the
chassis continues uninterrupted if one power supply fails or input power on one line fails.
• In systems configured with the redundant power option, connect each of the two power supplies to
a separate input power source. If you fail to do this, your system might be susceptible to total power
failure due to a fault in the external wiring or a tripped circuit breaker.
• To prevent a loss of input power, be sure the total maximum load on each circuit supplying the power
supplies is within the current ratings of the wiring and breakers.
• Check the power at your site before installation, and periodically after installation, to ensure that
you are receiving clean power. Install a power conditioner if necessary.
• Provide proper grounding to avoid personal injury and damage to the equipment due to lightning
striking power lines or due to power surges. The chassis ground must be attached to a central office
or other interior ground system.
Caution This product requires short-circuit (overcurrent) protection to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Note The Cisco ASR 1001-X Router installation must comply with all applicable codes and is approved for
use with copper conductors only. The ground bond fastening hardware should be of compatible material
and preclude loosening, deterioration, and electrochemical corrosion of hardware and joined material.
Attachment of the chassis ground to a central office or other interior ground system must be made with
an AWG #6 gauge wire, copper ground conductor at a minimum.
Electrical Circuit Requirements
Each Cisco ASR 1001-X Router requires a dedicated electrical circuit. If you equip it with dual-power
feeds, you must provide a separate circuit for each power supply to avoid compromising the power
redundancy feature.
The Cisco ASR 1001-X Router can be powered by a DC or AC source. Ensure that equipment grounding
is present and observe power-strip ratings. Make sure that the total ampere rating of all the products
plugged into the power strip does not exceed 80 percent of the rating.
Note The Cisco ASR 1001-X Router can support two AC or two DC power supplies. Do not install mixed AC
and DC power supply units in the same chassis.