Cisco 4331 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).
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Cisco 4331 ISR Specifications

General

Form Factor	Rack-mountable
Maximum Throughput	100 Mbps
Total onboard GE ports	4
Rack height	1RU
Operating System	Cisco IOS XE
Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-4 to 149°F (-20 to 65°C)
LAN Ports	2 x GE
Memory	4 GB
Flash Memory	4 GB
Relative Humidity	5 to 95% (noncondensing)
WAN Ports	2 x GE WAN