Cisco 4000 Series User Manual

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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 5 Install and Upgrade Internal Modules and FRUs
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Remove DC Input Power from Cisco 4461 or 4431 ISR
This section describes how to remove a DC power supply from Cisco 4461 or 4431 ISR.
Note The Cisco 4431 ISR has redundant power supplies that can be hot-swapped.
To remove a DC power supply from Cisco 4461 or 4431 ISR:
Step 1 If you have redundant power supplies, ensure that the power switch is in the standby position.
Note You do not require to place the power switch in the standby position if you want to hot-swap a
single power supply.
Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Step 2 For Cisco 4461 ISR and Cisco 4431 ISR, unscrew the two terminal block wire connectors (negative and
positive) on the unit. See Figure 5-40.
For Cisco 4451 ISR and Cisco 4351, unscrew the three terminal block wire connectors (ground, negative
and positive) on the unit. For Cisco 4331 ISR, remove the power supply cable connector (See
Figure 5-41) and remove the two screws that secure the power supply module to the chassis.
Step 3 [Only for Cisco 4461, 4431, and 4331 ISRs] Remove the plastic bezel from the router.
Step 4 Press the retaining latch towards the pull handle, grasp the handle with one hand, and pull the power
supply out of the slot while supporting the weight of the power supply with the other hand. See
Figure 5-37.

Cisco 4000 Series Specifications

General

Category	Network Router
Product Type	Router
Form Factor	Rack-mountable
Connectivity Technology	Wired
Product Family	Cisco 4000 Series
Operating System	Cisco IOS XE
Dimensions	Varies by model
Weight	Varies by model
Model	Cisco 4000 Series
WAN Ports	Varies by model
LAN Ports	Varies by model
Storage	Varies by model
Redundancy	Varies by model
Security Features	Varies by model
Network Management	Varies by model
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network/Transport Protocol	TCP/IP, UDP
Features	Varies by model
Interfaces	Varies by model
Models	Varies
Network Interfaces	Varies by model
Power Supply	Varies by model
Virtualization Support	Yes