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Cisco Network Convergence System 4000 Series Hardware Installation Guide
Chapter 4 Installing Power Components
Installing the Chassis Ground Cable
To ensure a satisfactory ground connection, we recommend 2-4-AWG multistrand copper ground cable.
This cable is not available from Cisco; it is available from any commercial cable vendor such as Panduit.
The cable should be sized according to local and national installation requirements.
Note
The DC return of this system should remain isolated from the system frame and chassis (DC-I: Isolated
DC Return).
Figure 4-5
Straight Barrel Grounding Lug
Steps
To attach the ground cable to the chassis, perform the following steps:
Step 1
Use the crimping tool mandated by the lug manufacturer to crimp the lug to the ground cable.
Step 2
Use the socket wrench to attach the lug and ground cable to either grounding point (
and
Note
The two grounding point screws are required for proper bonding and grounding of the chassis
and should not be removed.
0.59
0.51
0.27
0.23
0.10
0.0
8
All measurements in inches.
364442
0.39
0.37
1.62 MIN
0.99
0.
8
5
0.77
0.29
0.27
I.D.
1.01
2.74
2.62
0.29
0.25
(2) Plcs.
Beveled Wire
Entry
Color Coded
Barrel Markings
Wire Inspection
Window