Cisco 4200 Series Hardware Installation Manual page 64

Ground the Chassis
Figure 40: Insert the Cable into the Grounding Lug
Step 3 Use the crimping tool to secure the grounding cable in the grounding lug.
Step 4
Remove the adhesive label from the grounding pad on the chassis.
Step 5 Insert the grounding lug into the grounding lug bracket using the 2 button-head screws and washers.
Step 6
Attach the grounding lug bracket against the grounding pad on the left side of the chassis so that there is solid metal-to-metal
contact, and insert the two M4.0 x 0.6 mm flat-head Phillips screws through the holes in the grounding lug bracket and
into the grounding pad.
Figure 41: Attach the Grounding Lug
Two ¼-20 x .297 inch button-head screws
1
Grounding lug
3
5 Two M4.0 x .06 mm flat-head screws
Step 7
Make sure that the lug and cable do not interfere with other equipment.
Cisco Secure Firewall 4200 Series Hardware Installation Guide
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Two lock-internal washers
2
Grounding lug bracket
4
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Mount the Chassis