Cisco 4351 ISR User Manual

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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6 Install and Upgrade Internal Modules and FRUs
Replace a Fan Tray
Step 2 Completely loosen the three captive fan tray screws.
Step 3 Pull the fan tray out.
Step 4 Insert the replacement fan tray and tighten the three captive screws.
Step 5 Replace the bezel.
Figure 6-43 Cisco 4351 ISR4 Fan Tray
Figure 6-44 Cisco 4431 ISR Fan Tray
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1 Captive screws 2 Fan tray
1 Captive screws 2 Fan tray
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Cisco 4351 ISR Specifications

General

Form Factor	Rack-mountable
Integrated Services	Yes
LAN Ports	4
Redundant power supply	Optional
Rack height	1 RU
Product Series	4000 Series
USB Ports	2
Console Port	1
Auxiliary Port	1
Operating System	Cisco IOS XE
Maximum Throughput	2 Gbps
Memory	4 GB
Flash Memory	4 GB (expandable to 16 GB)
Total concurrent sessions	1, 000, 000
Model	4351
Processor	Multi-core
Network Interfaces	GE, SFP