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78-13113-06 B0
Chapter 3 Installing and Removing the Uplink Cards
Turning On Power to the Router
Connecting the AC Power Supply
Warning
Before you install, operate, or service the system, read the
Regulatory Compliance and Safety
Information for the Cisco 10720 Internet Router publication.
This publication contains important safety
information you should know before working with the system.
Warning
Read the installation instructions before you connect the system to its power source.
Note For additional information, refer to the Cisco 10720 Internet Router AC and DC Power Supply
Replacement Instructions. This configuration note is available on Cisco.com or ordered as a printed
document. Field replacement documentation is available electronically, by default. If you prefer
printed documentation, order it online.
Note We recommend that you attach each AC-input power supply to a dedicated power source for
redundancy and use an uninterruptable power supply (UPS) to protect against power failures. Each
AC power supply operating between 100 and 240 VAC requires a dedicated 15 A electrical power
service for North America, 10 A electrical power service for international specifications.
Perform the following steps to connect the AC power supply:
Step 1 Confirm that the power switch on the router is in the off (O) position. (See Figure 3-1.)
Figure 3-23 AC Power Cord Connected to Router
Step 2 Connect the AC power cord to the AC power supply receptacle on the router. (See Figure 3-23.)
AC OK
DC OK
OTF
AC OK
DC OK
OTF
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