Cisco WS-C2950-24 Installation Manual page 153

Installing and Upgrading Internal Modules and
FRUs
This document describes how to install and upgrade internal modules and field replaceable units (FRUs)
in Cisco 2900 and Cisco 3900 series integrated services routers (ISRs). The install and upgrade
information is contained the following sections:
Internal Modules
• Accessing Internal Modules section, page 5-4
Locating Internal Modules section, page 5-7
•
Installing and Removing DRAM DIMMs section, page 5-13
•
Installing and Removing ISMs section, page 5-16
•
Installing and Removing PVDM3 section, page 5-20
•
Installing and Removing PVDM2s section, page 5-23
•
Replacing Power Supplies and Redundant Power Supplies section, page 5-28
•
Installing a FIPS Louver section, page 5-51
•
FRUs
Replacing a Fan Tray or Air Filter section, page 5-45
•
Removing and Installing CompactFlash Memory Cards section, page 5-52
•
• Installing SFP Modules section, page 5-55
Read the
Caution
replacement.
See the
internal components.
OL-18712-03
Safety Warnings section and disconnect the power supply before you perform any module
"Accessing Internal Modules" section on page 5-4
C H A P T E R
for instructions on how to install and replace
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5
5-1