Cisco 8600 Series Manual page 6

Connect AC Power to the Chassis
When correctly installed, the latch on the PSU locks-in the module, to avoid accidental removal of the module.
Figure 2: Slide the PSU into the Power Supply Bay
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Step 4 Verify that all site power and grounding requirements have been met.
Step 5
Verify that you have the correct AC power cord for your location and power supply rating and only then plug
the power cord connector into the power supply AC-in receptacle.
Powering on the Router
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Power supply latch, which clicks into place
Powering on the Router