Removing and Replacing a Card Cage Assembly
Step 3 Using two hands to support and guide the power supply, carefully slide it into the vacant bay. (Refer to Figure 16.) Stop when the power supply captive jackscrew makes contact with the front of the power supply bay.
Figure 16 Installing a DC-Input Power Supply
H10612
Use two hands to slide power supply into bay
30Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions