CHAPTER
6-1
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
6
Install and Upgrade Internal Modules and
FRUs
This chapter describes how to install and upgrade internal modules and field replaceable units (FRUs)
in Cisco 4000 Series Integrated Services Routers (ISRs). The following sections provide the install and
upgrade information:
Internal and External Modules
• Safety Warnings, page 6-2
• Modules Supported, page 6-4
• Access Internal Modules, page 6-4
• Locate Internal and External Slots, page 6-6
• Locate Internal and External Slots for Modules on Cisco 4451 ISR, page 6-7
• Locate Internal and External Slots for Modules on Cisco 4351 ISR, page 6-8
• Locate Internal and External Slots for Modules on Cisco 4331 ISR, page 6-9
• Overview of the NIM-HDD Card, page 6-19
• Remove and Replace Cisco NIM-SSD or NIM-HDD, page 6-21
• Install and Remove DDR DIMMs on Cisco 4400 or 4300 Series ISRs, page 6-24
• Install and Remove NIMs and SM-Xs on Cisco 4000 Series ISRs, page 6-29
• Install and Remove PVDM4 on Cisco 4400 or 4300 Series ISRs, page 6-32
• Remove and Replace the USB Flash Token Memory Stick, page 6-39
• Remove and Replace Cisco 4000 Series ISRs Power Supplies, page 6-40
• Remove and Install a CompactFlash Memory Card, page 6-63
• Remove and Install the Flash Memory Card, page 6-65
• Install and Remove an SSD mSATA Storage Device, page 6-68
• Remove, Replace, and Install the Internal PoE Daughter Card, page 6-75
FRUs
• Replace a Fan Tray, page 6-58
• Replace Fan Tray on Cisco 4331 ISR, page 6-60
• Remove and Install a CompactFlash Memory Card, page 6-63
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