Cisco GSR12/60 - 12012 Router -AnyLAN, SONET/SDH Installation And Configuration Manual page 148

Connecting System Grounding
Step 2
Step 3
Figure 3-25
Bolts
Grounding lug
Step 4
Step 5
Repeat Step 2 through Step 5 for the second system grounding connection.
3-52 Cisco 12012 Gigabit Switch Router Installation and Configuration Guide
Position one of the grounding lugs over the grounding receptacle holes.
Insert the two bolts through the holes in the grounding lug. (See Figure 3-25.)
Ensure that the grounding lug does not interfere with the other router hardware.
Attaching a Grounding Lug to the Grounding Receptacles
System
grounding
receptacles
Install the locking washers and nuts and tighten to secure the grounding lug to
the frame.
Prepare the other end of the grounding wire and connect it to the appropriate
grounding point at your site to ensure an adequate ground.