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Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
Chapter2 Rack-Mounting, Tabletop Installation, and Cabling
Attaching a Chassis Ground Connection
•One grounding lug—Must have two number-10 screw holes that have a 0.63-inch (16.002-mm)
spacing between them, and a wire receptacle large enough to ac cept a 6-AWG multistrand, copp er
wire. This grounding lug is not available from Cisco Systems; electrical-c onnector vendors provide
this type of grounding lug.
•Two Phillips machine screws with locking washers—M5 (metric), 0.031-inch (0.8-mm) pitch,
0.315-inch (8-mm) length. These screws are not available from Cisco Systems; they are available
from a commercial hardware vendor.
•One grounding wire—6-AWG, 0.162-inch (4.115-mm) diameter, with approximately 0.108-inch
(2.743-mm) insulation, for a total wire diameter of approximate ly 0.27 inches (6.858 mm). The wire
length is dependent on your router location and site environment. This wire is not available from
Cisco Systems; it is available from a commercial cable vendor.
•Number 2 Phillips screwdriver
•Crimping tool large enough to accommodate the diameter of the wire rece ptacle on your grounding
lug
•Wire stripper
Figure2-8 Locating the Chassis Grounding Connector
Use the following procedure to attach the grounding lug to the chassis grounding connector on your
router chassis:
Step1 Locate the chassis grounding connector on your router chassis.
1Fan vents 2Ground connector
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