Site Selection Guidelines; Rack Requirements; Router Environmental Requirements - Cisco 1100 Series Hardware Installation Manual

Preparing for Router Installation
unusually high errors with your existing equipment, this section can also help you isolate the cause of failures
and prevent future problems.
Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated not greater than: 20A. Statement 1005
Warning To prevent the system from overheating, do not operate it in an area that exceeds the maximum
recommended ambient temperature of: 40 degrees C. Statement 1047

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 ISRs document.

Rack Requirements

Cisco 1100 Series ISRs require brackets for use with a 19-inch rack.
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
• Enclosed racks must have adequate ventilation. Ensure that the rack is not congested, because each
• When mounting a chassis in an open rack, ensure that the rack frame does not block the intake or exhaust

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
multiple Cisco 1100 Series ISRs. Provide adequate heat removal mechanism to keep the surrounding
air temperature well within the specified operating temperature condition.
Note More spacing may be required depending on the installation environment.
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.
ports. If the chassis is installed on slides, check the position of the chassis when it is seated in the rack.
Hardware Installation Guide for the Cisco 1100 Series Integrated Services Router
Rack Requirements
17