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Cisco uBR7200 Series Universal Broadband Router AC Power Supply Replacement Instructions
78-4848-06
AC-Input Power Supply Overview
• For Cisco IOS software configuration information, refer to the modular configuration and modular
command reference publications in the Cisco IOS software configuration documentation set that
corresponds to the software release installed on your Cisco hardware.
Note You can access Cisco IOS software configuration documentation at Cisco.com.
• For hardware installation and maintenance information on the Cisco uBR7200 series, refer to the
• For international agency compliance, safety, and statutory information for wide-area network
(WAN) interfaces for the Cisco uBR7200 series, refer to the Regulatory Compliance and Safety
Information for the Cisco uBR7200 Series Universal Broadband Routers that is shipped with your
Cisco uBR7200 series universal broadband router
• To obtain general information about documentation, refer to the “Obtaining Documentation and
Submitting a Service Request” section on page 17.
AC-Input Power Supply Overview
The Cisco uBR7225VXR router is equipped with the 300W AC-input power supply and the maximum
AC-input power with single or dual power supply configuration is 300W.
The Cisco uBR7246 and Cisco uBR7246VXR routers are equipped with the 550W AC-input power
supplies and the maximum AC-input power with single or dual power supply configuration is 800W.
Note To ensure adequate airflow across the Cisco uBR7225VXR, Cisco uBR7246VXR, and Cisco uBR7246
universal broadband routers’ power supplies, a power supply or a power supply filler plate (with its
attached air dam) must be installed in each power supply bay.
Do not mix AC-input and DC-input power supplies in the same Cisco uBR7246VXR or Cisco uBR7246
chassis.
Cisco uBR7225VXR
The power supply contains a main power switch, the OK LED, and the AC-input power receptacle. The
grounding lug at the rear-bottom portion of the Cisco uBR7225VXR chassis provides a ground
connection for electrostatic discharge (ESD) equipment.
The Cisco uBR7225VXR supports an optional, second power supply for load sharing and power
redundancy. If you purchased a Cisco uBR7225VXR and you want to install a second power supply, you
must order the second power supply separately.
A handle on the AC-input power supply unit provides a grip point for removing and replacing the power
supply. (Figure 1 shows the faceplate of the Cisco uBR7225VXR AC-input power supply.)
A single captive installation screw secures the power supply to the chassis and seats the power supply in
the router midplane. The AC-input power supply has a receptacle for an AC-input power cable. A
modular power cable connects the AC-input power supply to the site AC power source.
Note The AC-input power supply has an electrical current rating of 4A for the Cisco uBR7225VXR.