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
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Figure 6-33 Stripped DC Input Power Source Wire
Warning An exposed wire lead from a DC input power source can conduct harmful levels of electricity. Be
sure that no exposed portion of the DC input power source wire extends from the terminal block.
Statement 122
Step 4 Identify the positive and negative feed positions for the terminal block connection. The wiring sequence
is:
1. Positive (+) lead wire (right)
2. Negative (–) lead wire (left)
Step 5 Remove the router bezel. See Figure 6-34. The bezel is secured with snap latches. To remove the bezel,
hold the top and bottom and pull the bezel.
Figure 6-34 Remove the Bezel
Step 6 Insert the wires through the holes in the bezel. Replace the bezel.
1 0.39 inch (10 mm) is the recommended wire-strip length for the terminal block.
57019
1
1 Bezel 2 DC power supplies
391892
1
2
2

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