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CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
Chapter1 Preparing for Installation
Site Requirement Guidelines
Site Requirement Guidelines
The following sections contain the site requirement guidelines that you should be familiar with before
installing the router:
•Site Wiring Guidelines, page1-15
•Chassis Air Flow Guidelines, page 1-15
•Rack-Mounting and Air Flow Clearance Guidelines, page1-20
•Temperature and Humidity Guidelines, page1-36
•Power Connection Guidelines, page1-36
•NEBS Supplemental Unit Bonding and Grounding Guidelines, page1-52

Site Layout and Equipment Dimensions

To help maintain trouble-free operation, adhere to the following precautions and guidelines when
planning your rack installation:
•Install the system in a restrictive access location with means for a permanent ground.
•Ensure the site of the rack includes provisions for source AC or DC power, grounding, and network
interface cables.
•Allow sufficient space to work around the rack during the installation. You need:
–
At least 3 ft (91.44 cm) adjacent to the rack to move, align, and insert the chassis.
–
At least 2 ft (60.96 cm) in front of the power tray to insert power modules.
•Maintain at least 24 inches (61 cm) of clearance in front of and behind the chassis for maintenance
after installation.
•To mount the router between two posts or rails, the usable aperture (the width between the inner
edges of the two mounting flanges) must be at least:
–
17.50 inches (44.45 cm) for the Cisco ASR 9010Router.
–
17.75 inches (45.09 cm) for the Cisco ASR 9006Router.
–
4.74 inches (12.06 cm) for the Cisco ASR 9904 Router.
•To mount the router in a 4-post rack, the usable aperture (the width between the inner edges of the
two mounting flanges) must be at least 17.75inches (45.09 cm) for the Cisco ASR 9922 Router or
Cisco ASR 9912 Router.
•Height of the Cisco ASR 9010 Router is 37.00inches (93.98 cm). Most racks accommodate two
ASR 9010 routers.
•Height of the Cisco ASR 9006 Router is 17.50inches (44.45 cm). Most racks accommodate four
ASR 9006 routers,
•Height of the Cisco ASR 9904 Router is 10.38 inches (26.7 cm). Most racks accommodate four or
more ASR 9904 routers.
•Height of the CiscoASR 9922 Router is 77.00 inches (195.58 cm). Most racks accommodate one
ASR 9912 router.
•Height of the Cisco ASR 9912 Router is 52.50inches (133.35 cm). Most racks accommodate one
ASR 9912 router.