Chassis Overview - Cisco 12416 Replacement Instructions Manual

Chassis Overview

Chassis Overview
The Cisco 12016, Cisco 12416, and Cisco 12816 Router chassis is a sheet-metal enclosure that consists
of three integral card cages and two blower module bays. (See
configured with either an AC- or DC-input power subsystem, the power shelf for the router is a separate
unit that attaches to the top of the chassis.
Figure 1
Power shelf and
power supplies
Upper card cage
(behind filter door)
Lower card cage
Cisco 12016, Cisco 12416, and Cisco 12816 Router Chassis Replacement Instructions
2
Cisco 12016, Cisco 12416, and Cisco 12816 Router (Front View, AC-Input Power Subsystem
Shown)
Upper blower
module
Upper cable
management
bracket
RP
Alarm card
Air filter door
Switch fabric
card cage
Alarm card
Lower cable
management
bracket
Lower blower
module
PWR OK
FAULT PWR OK
FAULT PWR OK
TEMP
FAULT
I LIM TEMP
I LIM TEMP
I LIM
Figure 1.) Because the router can be
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