Site Requirement Guidelines - Cisco ASR 9901 Hardware Installation Manual

Site Requirement Guidelines

Site Requirement Guidelines
These sections contain the site requirement guidelines that you should be familiar with before installing the
router:
Site Layout and Equipment Dimensions
To help maintain trouble-free operation, adhere to these precautions and guidelines when planning your rack
installation:
• Install the system in a restrictive access location with means for a permanent grounding.
• Ensure the site of the rack includes provisions for source AC or DC power, grounding, and network
• Allow sufficient space to work around the rack during the installation. You need at least 3 feet (91.44
• Maintain at least 24 inches (61 cm) of clearance in front of, and behind the chassis for maintenance after
• To mount the router between two posts or rails, the usable aperture (the width between the inner edges
• Height of the Cisco ASR 9901 Router and Cisco ASR 9001 Router is 3.47 inches (8.8 cm).
• When fully populated with cards, the router can weigh as much as 37.91 pounds (17.2 kg). To maintain
• If you use a telco-style rack, the weight of the chassis is cantilevered off the two rack posts. Make sure
• When mounting the router in a telco-style rack or 4-post rack, be sure to use all the screws provided to
• Install the cable-management brackets included with the router to keep cables organized. Be sure to use
• To avoid noise interference in network interface cables, do not route them directly across or along power
The following figure shows the top-down view chassis dimensions of the Cisco ASR 9901 Router.
Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
6
interface cables.
cm) adjacent to the rack to move, align, and insert the chassis.
installation.
of the two mounting flanges) must be at least 17.7 inches (45 cm) for the Cisco ASR 9001 Router and
at least 17.75 inches (45.09 cm) for the Cisco ASR 9901 Router.
equipment rack stability and to ensure your safety, the rack is provided with stabilizing devices. Make
sure you install the stabilizers before installing the router.
that:
• Weight of the router does not make the frame unstable.
• Frame is bolted to the floor and is secured to the building structure using either wall brackets or
overhead brackets.
secure the chassis to the rack posts.
appropriate strain-relief methods to protect cables and equipment connections.
cables.
Preparing for Installation