Cisco 4351 ISR User Manual

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Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 1 Overview of Cisco 4000 Series ISRs
Slots, Subslots (Bay), Ports, and Interfaces in Cisco 4000 Series ISRs
Figure 1-28 Cisco 4321 ISR Airflow
Figure 1-29 Cisco 4221 ISR Airflow
Slots, Subslots (Bay), Ports, and Interfaces in Cisco 4000
Series ISRs
The routers supports two types of interface modules: Enhanced Service Modules (SM-X) and Network
Modules (NIMs).
1 Exhaust 2 Intake
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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