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Chapter 1 Product Overview
Cable-Management System
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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
The air filters are located on the right of the front side of the chassis. The air filters
are housed behind a door that is spring-loaded in the closed position.
Caution Air filters should be clean when the router is operating. Inspect and clean the air
filters once a month, more often in dusty environments.
Do not run the router without the air filters installed. You should inspect and clean
the air filters once a month, more often in dusty environments. Procedures for
vacuuming and replacing the air filters are contained in the “Cleaning or
Replacing the Air Filters” section on page 6-7.
Cable-Management System
The Cisco 12006 and Cisco 12406 router cable-management system organizes the
interface cables entering and exiting the system, keeping them free of sharp bends
and out of the way.
Caution Excessive bending in an interface cable can degrade performance.
The cable-management system (see Figure 1-19) consists of the following
components:
• One vertical cable-management bracket on the chassis
• One line card cable-management bracket on each line card
When you face the front of the router chassis, the chassis cable-management
bracket is installed on the left side of the chassis, adjacent to the line card and RP
card cage. The chassis cable-management bracket organizes the line card and RP
cables to keep them from binding, and it eliminates interference when access to
the front of the chassis is necessary for maintenance and reading the LEDs.
A line card cable-management bracket attaches to each line card with captive
screws. Cable ties on the bracket hold the network interface cables in place, keep
the cables organized relative to their assigned connectors, and manage the bend
radius of each cable as it enters the connector on the line card.