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Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
Chapter 2 Rack-Mounting, Tabletop Installation, and Cabling
Attaching a Chassis Ground Connection
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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 accept a 6-AWG multistrand, copper
wire. This grounding lug is not available from Cisco Systems; electrical-connector 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 approximately 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 receptacle on your grounding
lug
•
Wire stripper
Figure 2-8
Locating the Chassis Grounding Connector
Use the following procedure to attach the grounding lug to the chassis grounding connector on your
router chassis:
Step 1
Locate the chassis grounding connector on your router chassis.
1
Fan vents
2
Ground connector
50530
1
2