Download Cisco IGX 8400 Series Installation guide

Chapter 2
Preparing to Install
Making Power and Ground Connections
The attachment points in the Cisco rack and standalone cabinets for the Cisco IGX 8400 series switches
are indicated by a ground symbol on the cabinet near the point of attachment.
Cisco Cabinet Connections
Cisco recommends the following stacking order for attaching a ground conductor to the frame of a
Cisco cabinet:
Step 1
Place an external, toothed starwasher onto the stud.
Step 2
Place the connector terminating the grounding conductor closed-loop ring or two-hole compression
fitting onto the stud.
Step 3
Place another external, toothed starwasher or lockwasher onto the stud.
Step 4
Screw a nut onto the threaded stud.
Standalone Cabinet Connections
Cisco recommends the following stacking order for attaching a ground conductor to the frame of a
standalone enclosure:
Step 1
Place an external, tooth starwasher onto the screw.
Step 2
Place the connector terminating the grounding conductor closed-loop ring or two-hole compression
fitting.
Step 3
Place another external, tooth starwasher or lockwasher.
Step 4
Screw the entire assembly into the captive nut in the mounting rail beneath the cover plate. See
Figure 2-20 for an illustration of this stacking order in an IGX 8420 node. Figure 2-21 shows the
location of the frame bonding connection on an IGX 8410 node.
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
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