Cisco 4221 ISR User Manual

3-8
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 3 Install and Connect Cisco 4000 Series ISRs
Install the Router
• Front mounting—Brackets attached at the front of the chassis with the front panel facing forward.
• Back mounting—Brackets attached at the back of the chassis with the back panel facing forward.
Step 1 Attach the mounting brackets to the router chassis as shown in Figure 3-2 through Figure 3-5, using the
screws provided.
Caution Do not over-torque the screws. The recommended torque is 15 to 18 inch-lb (1.7 to 2.0 N-m).
Attach the second bracket to the opposite side of the chassis. Use a number-2 Phillips screwdriver to
install the number-8 bracket screws.
Caution Your chassis installation must allow unrestricted airflow for chassis cooling.
Figure 3-2 Bracket Installation for Front Mounting (Cisco 4451-X ISR shown)
1 23-inch SBC
1
brackets
1. Southwestern Bell Corporation (SBC)
2 19-inch EIA brackets
1
2
302953
1
2

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)