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Cisco 4221 ISR User Manual

Cisco 4221 ISR
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2-3
Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 2 Cisco 4000 Series ISRs Preinstallation
Standard Warning Statements
Warning
This unit may have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Warning
This unit is intended for installation in restricted access areas. A restricted access area can be
accessed only through the use of a special tool, lock and key, or other means of security.
Statement
1017
Warning
The plug-socket combination must be accessible at all times, because it serves as the main
disconnecting device.
Statement 1019
Warning
Hazardous voltage or energy may be present on the DC power terminals. Always replace cover
when terminals are not in service. Be sure uninsulated conductors are not accessible when cover
is in place.
Statement 1075
Warning
Use copper conductors only.
Statement 1025
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment
in the absence of a suitably installed ground conductor. Contact the appropriate electrical
inspection authority or an electrician if you are uncertain that suitable grounding is available.
Statement 1024
Warning
Hazardous voltage or energy is present on the backplane when the system is operating. Use
caution when servicing.
Statement 1034
Warning
Class 1 laser product.
Statement 1008
Warning
Class 1 LED product.
Statement 1027
Warning
Laser radiation is present when the system is open.
Statement 1009
Warning
Do not stare into the laser beam.
Statement 1010
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
Statement 1051

Table of Contents

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Cisco 4221 ISR Specifications

General IconGeneral
Form FactorRack-mountable
WAN Ports2
LAN Ports2
RAM4 GB
Flash Memory4 GB
Product TypeRouter
Total Number of Ports4
Number of Network (RJ-45) Ports4
Number of Total Expansion Slots3
Expansion Slot TypeNIM, ISC
Number of NIM Slots2
Number of ISC Slots1
ManageableYes
Power SupplyInternal
Redundant Power SupplyNo
Authentication MethodRADIUS, TACACS+
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Operating Temperature32°F to 104°F (0°C to 40°C)
Height1.75 in
Encryption AlgorithmAES, 3DES
Dimensions (W x D x H)1.75 x 13.5 x 1.73 inches
Operating Humidity5 to 95% (noncondensing)

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