Cisco Systems OL-11497-03 manual Site Requirement Guidelines, Environmental Guidelines, Airflow

Chapter 2 Preparing for Installation

Site Requirement Guidelines

•Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.

•Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

•Use caution when installing or modifying telephone lines.

Site Requirement Guidelines

This section provides the site requirement guidelines that you must consider before installing Cisco 12006 and Cisco 12406 Routers:

•Environmental Guidelines, page 2-9

•Rack-Mounting Guidelines, page 2-10

•Power Connection Guidelines, page 2-14

•Site Wiring, page 2-20

Environmental Guidelines

This section offers guidelines for operating Cisco 12006 and Cisco 12406 Routers in various environments. The following environmental considerations are discussed:

•Airflow

•Temperature and humidity

Airflow

The air circulation system for Cisco 12006 and Cisco 12406 Routers consists of one blower module mounted at the rear of the chassis. The blower module maintains acceptable operating temperatures for the internal components by drawing cooling air in through replaceable air filters located on the right side of the chassis. Air circulates through the card cage and exhausts at the rear of the chassis.

Observe the following guidelines when selecting a site in which to install

Cisco 12006 and Cisco 12406 Routers:

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03		2-9