Cisco 4451 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
Install and Remove DDR DIMMs on Cisco 4400 or 4300 Series ISRs
Figure 6-21 DIMM Showing Polarization Notch
Step 6
Insert the DIMM into the connector one side at a time. Figure 6-22 shows what to avoid while handling
a DIMM.
Figure 6-22 Handle the DIMMs
Step 7
Firmly press the DIMM into the connector until the latches close onto the DIMM. Ensure that both
latches rotate to the closed position against the DIMM. See Figure 6-23.
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Cisco 4451 ISR Specifications

General

Form Factor	Rack-mountable
WAN Ports	4
Maximum Throughput	2 Gbps
Total onboard GE ports	4
NIM slots	2
ISM slots	1
Product Series	Cisco 4000 Series Integrated Services Routers
Operating System	Cisco IOS XE
Operating Temperature	32 to 104°F (0 to 40°C)
Memory	4 GB default, expandable to 16 GB
Flash Memory	8 GB
Model	4451 ISR
Network Interfaces	4 x Gigabit Ethernet
Storage Temperature	-4 to 149°F (-20 to 65°C)
Humidity	5 to 95% non-condensing