Cisco 7206 - VXR Router Installation Manual page 42

Field-Replaceable Units
Port Adapters and Service Adapters
The Cisco 7206 is shipped from the factory with up to six installed port adapters and service adapters.
Port adapters provide a variety of network media types (based on your order) for the router and service
adapters provide hardware-based services (such as data compression and encryption) for the port adapter
media types. The port adapters and service adapters connect directly to the router's midplane. Port
adapters and service adapters installed in the Cisco 7206 router support OIR.
For a description of OIR, refer to the "Online Insertion and Removal" section later in this chapter. For
general instructions about how to replace a port adapter or service adapter, refer to
"Maintaining the Cisco 7206,"
To ensure adequate airflow across the router's port adapters, a port adapter or a blank port adapter must
Caution
be installed in each port adapter slot.
Detailed instructions for removing, replacing, and configuring the port adapter and service adapter types
Note
supported by the Cisco 7206 are contained in the configuration note for each port adapter and service
adapter. For example, if you plan to replace a PA-A3 enhanced ATM port adapter in your Cisco 7206
router, consult the configuration note PA-A3 Enhanced ATM Port Adapter Installation and
Configuration. The configuration note is available on Cisco.com.
Power Supplies
The Cisco 7206 comes equipped with one 280W AC-input power supply or one 280W DC-input power
supply. You must order the second power supply separately.
Do not mix power supplies in the Cisco 7206. In dual power supply configurations, both power supplies
Caution
must be of the same type (two AC-input power supplies or two DC-input power supplies).
Detailed instructions for handling and replacing the Cisco 7206 power supplies are contained in the
Note
configuration notes 280-Watt AC-Input Power Supply Replacement Instructions and 280-Watt DC-Input
Power Supply Replacement Instructions. . These configuration notes are available on Cisco.com.
A handle on the AC and DC power supplies provides a grip point for removing and replacing the power
supply.
of the DC-input power supply.) Two captive installation screws secure the power supply to the chassis
and seat the power supply in the router midplane. A power OK LED indicates that the power supply is
delivering +5 VDC to 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. A cable-retention clip secures the
power cable to the AC-input power supply.
Cisco 7206 Installation and Configuration Guide
1-24
the
(Figure 1-15 shows the faceplate of the AC-input power supply.
"Replacing a Port Adapter or Service Adapter" section on page
Chapter 1 Product Overview
Chapter 5,
Figure 1-16 shows the faceplate
OL-5102-02
5-4.