Cisco 7600 Series Router Components; Cisco 7606 Router; Cisco 7606-S Router; Cisco 7609 Router - Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual

Chapter 1 Product Overview
•

Fan Assembly

The system fan assembly, located in the chassis, provides cooling air for the supervisor engine and
the switching modules.
(Cisoc 7604 router),
Figure 1-18
the router. Sensors on the supervisor engine monitor the internal air temperatures. If the air temperature
exceeds a preset threshold, the environmental monitor displays warning messages.
If an individual fan within the assembly fails, the FAN STATUS LED turns red. To replace a fan
assembly, see the
Refer to the Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide for
Note
information on environmental monitoring.
Figure 1-13
Module air
exhaust
OL-4503-26
PEM, page 1-32
Figure 1-13
Figure 1-16
(Cisco 7609 router and Cisco 7609-S router) show the direction of airflow into and out of
"Removing and Replacing the Fan Assembly" section on page
Cisco 7603 Router Internal Airflow
WS-X6K- SUP2-2G E
1
CONSOLE
PORT
MODE
CONSOLE
SUPERVI SOR2
OSM-4OC12 POS-SI
2
4 PORT OC-12 POS
SM IR
OSM-4OC12 POS-SI
3
4 PORT OC-12 POS SM
IR
(Cisco 7603 router), Figure 1-14

(Cisco 7606 router),

Figure 1-17
Switch Load
100%
PORT 1
PORT 2
PCMCIA
EJECT
1%
Cisco 7600 Series Router Installation Guide

Cisco 7600 Series Router Components

(Cisco 7603-S router), Figure 1-15
(Cisco 7606-S router), and
5-119.
Module air
inlet
1-19