Cisco 4221 ISR User Manual

6-6
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6 Install and Upgrade Internal Modules and FRUs
Locate Internal and External Slots
Figure 6-1 Install the Cover on the Router (Shown Cisco 4451-X ISR )
Replace the Cover on Cisco 4300 ISR
To replace the cover:
Step 1 Read the Safety Warnings, page 6-2 and disconnect the power supply before you replace any module.
Step 2 Confirm the router is turned off and disconnected from the power supply or power supplies. If a
redundant power is used disconnect from the redundant power supply.
Step 3 Place the chassis on a flat surface.
Step 4 Hold the cover at a 45-degree angle and insert the cover tabs into the slots along the front (bezel) edge
of the chassis. See Figure 6-1.
Step 5 Center the cover over the chassis and lower it onto the chassis.
Step 6 Install the four cover screws on the top of the router and the two cover screws at the side of the router.
Locate Internal and External Slots
Cisco 4400 Series ISRs and Cisco 4300 Series ISRs have replaceable internal modules.
Note Cisco 4200 Series ISR do not have a replaceable internal module.
1 Cover screws (3)
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1

Cisco 4221 ISR Specifications

General

Form Factor	Rack-mountable
WAN Ports	2
LAN Ports	2
RAM	4 GB
Flash Memory	4 GB
Product Type	Router
Total Number of Ports	4
Number of Network (RJ-45) Ports	4
Number of Total Expansion Slots	3
Expansion Slot Type	NIM, ISC
Number of NIM Slots	2
Number of ISC Slots	1
Manageable	Yes
Power Supply	Internal
Redundant Power Supply	No
Authentication Method	RADIUS, TACACS+
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Operating Temperature	32°F to 104°F (0°C to 40°C)
Height	1.75 in
Encryption Algorithm	AES, 3DES
Dimensions (W x D x H)	1.75 x 13.5 x 1.73 inches
Operating Humidity	5 to 95% (noncondensing)