Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 176

Connecting Source Power to the Power Supplies
Step 5
Step 6
Caution
a single or a redundant AC-input power supply.
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Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
Connect the other end of the AC power cord to the source AC outlet for your site
(see Figure 3-19).
Go back to Step 1 and repeat the procedure to connect source AC power to the
second (redundant) AC-input power supply, if one is present.
At this time, do not turn the rotary power switch to the ON (|) position on either