Cisco GSR12/60 - 12012 Router -AnyLAN, SONET/SDH Installation And Configuration Manual page 262

Removing and Replacing a DC-Input Power Supply
Step 6
Step 7
Figure 7-9
Front cover
7-22 Cisco 12012 Gigabit Switch Router Installation and Configuration Guide
Place your free hand underneath the power supply for support and slide the
power supply completely out of the bay. Place the power supply face up on the
floor in front of you.
Loosen the two screws that secure the DC-input power supply front cover in
place. Lift up slightly, then pull the front cover away from the power supply
faceplate. Set the front cover aside. (See Figure 7-9.)
Removing the DC-Input Power Supply Front Cover
Standoff
DC-input
power supply