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Cisco C1121-4P User Manual

Cisco C1121-4P
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This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated not greater than: 20A. Statement 1005
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to
ensure that the system remains stable. The following guidelines are provided to ensure your safety:
This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the
heaviest component at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the
unit in the rack. Statement 1006.
Warning
To prevent the system from overheating, do not operate the devices in an area that exceeds the maximum
recommended ambient temperature:
Statement 1047
Warning
For connections outside the building where the equipment is installed, the following ports must be connected
through an approved network termination unit with integral circuit protection, LAN or PoE. Statement 1044.
Warning
To prevent airflow restriction, allow clearance around the ventilation openings to be at least: 1.75 in. (4.4
cm). Statement 1076.
Warning
Site Selection Guidelines
The Cisco 1000 Series Integrated Services Routers require specific environmental operating conditions.
Temperature, humidity, altitude, and vibration can affect the performance and reliability of the router. The
following sections provide specific information to help you plan for the proper operating environment.
The Cisco 1000 Series Integrated Services Routers are designed to meet the industry EMC, safety, and
environmental standards described in the Regulatory Compliance and Safety Information for the Cisco 1000
Series Integrated Services Routers document.
Rack Requirements
For the Cisco 1000 Series Integrated Services Router, use brackets with a 19-inch rack.
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
25
Prepare for Router Installation
Site Selection Guidelines

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Cisco C1121-4P Specifications

General IconGeneral
LAN Ports4
Integrated WirelessNo
Form FactorDesktop
Product TypeRouter
Connectivity TechnologyWired
Data Link ProtocolEthernet, Fast Ethernet, Gigabit Ethernet
Ports Qty4
Power Over Ethernet (PoE)Yes
Routing ProtocolOSPF, BGP, EIGRP
Remote Management ProtocolSNMP
Encryption AlgorithmAES, 3DES, DES
FeaturesFirewall, VPN support
Compliant StandardsIEEE 802.3, IEEE 802.3u
TypeRouter
PoE StandardsIEEE 802.3af
Power SupplyExternal AC adapter
Operating Temperature32°F to 104°F (0°C to 40°C)
Storage Temperature-4°F to 149°F (-20°C to 65°C)
Humidity10 - 95% (non-condensing)
Network/Transport ProtocolDHCP

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