Site Selection Guidelines
The Cisco 1100 Series ISRs require specific environmental operating conditions. Temperature, humidity,
altitude, and vibration can affect the performance and reliability of the router. The following sections provide
specific information to help you plan for the proper operating environment.
The Cisco 1100 Series ISRs are designed to meet the industry EMC, safety, and environmental standards
described in the Regulatory Compliance and Safety Information for the Cisco 1100 Series ISR document.
Rack Requirements
For the Cisco 111x Series ISRs, use brackets with a 19-inch rack.
Rack requirements is applicable only for C111x Routers
Note
The following information can help you plan your equipment rack configuration:
• Allow clearance around the rack for maintenance.
• Allow at least one rack unit of vertical space between routers; more clearance is required when stacking
multiple Cisco 1100 Series ISRs. Provide adequate heat removal mechanism to keep the surrounding air
temperature well within the specified operating temperature condition.
More spacing may be required depending on the installation environment.
Note
• Enclosed racks must have adequate ventilation. Ensure that the rack is not congested, because each router
generates heat. An enclosed rack should have louvered sides and a fan to provide cooling air. Heat
generated by equipment near the bottom of the rack can be drawn upward into the intake ports of the
equipment above it.
• When mounting a chassis in an open rack, ensure that the rack frame does not block the intake or exhaust
ports. If the chassis is installed on slides, check the position of the chassis when it is seated in the rack.
Router Environmental Requirements
Cisco 1100 Series ISRs can be placed on a desktop, installed in a rack, or mounted on a wall. The location of
your router and the layout of your equipment rack or wiring room are extremely important considerations for
proper operation. Equipment placed too close together, inadequate ventilation, and inaccessible panels can
cause malfunctions and shutdowns, and can make maintenance difficult. Plan for access to both front and rear
panels of the router.
Only C111x Series support rack installation and DIN Rail mounting.
Note
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
18
Prepare for Router Installation
Site Selection Guidelines
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