Cisco ASR 1000 series Hardware Installation Manual page 345

Chapter 11 Cisco ASR 1013 Router Overview and Installation
Before using a particular rack, check for obstructions (such as a power strip) that could impair
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rack-mount installation. If a power strip does impair a rack-mount installation, remove the power
strip before installing the chassis, and then replace it after the chassis is installed.
Allow sufficient clearance around the rack for maintenance. If the rack is mobile, you can push it
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back near a wall or cabinet for normal operation and pull it out for maintenance (installing or moving
cards, connecting cables, or replacing or upgrading components). Otherwise, allow 19 inches (48.3
cm) of clearance to remove field-replaceable units.
Maintain a minimum clearance of 3 inches (7.62 cm) on the front, top, and sides of the chassis for
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the cooling air inlet and exhaust ports, respectively. Avoid placing the chassis in an overly congested
rack or directly next to another equipment rack; otherwise, the heated exhaust air from other
equipment can enter the inlet air vents and cause an overtemperature condition inside the router.
To prevent chassis overheating, never install a Cisco ASR 1013 Router in an enclosed room that is not
Caution
properly ventilated or air conditioned.
Always install heavier equipment in the lower half of a rack to maintain a low center of gravity to
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prevent the rack from falling over.
Install and use the cable-management brackets included with the Cisco ASR 1013 Router to keep
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cables organized and out of the way of the cards and processors. Ensure that cables from other
equipment already installed in the rack do not impair access to the cards or require you to disconnect
cables unnecessarily to perform equipment maintenance or upgrades.
Install rack stabilizers (if available) before you mount the chassis.
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Provide an adequate chassis ground (earth) connection for your chassis.
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In addition to the preceding guidelines, review the precautions for avoiding excessive temperature
conditions in the
OL-13208-11
"Electrical Safety" section on page
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
General Rack Installation Guidelines
5-21.
11-9