Cisco NCS 4000 Series Hardware Installation page 188

Installing Power Components
NEBS Supplemental Unit Bonding and Grounding Guidelines
These bonding and grounding connections satisfy the Telcordia NEBS requirements for supplemental
Note
bonding and grounding connections. If you are not installing the chassis in a NEBS environment, you can
choose to bypass these guidelines and rely on the safety earth ground connections to the AC power modules.
Figure 88: NEBS Bonding and Grounding Point on the Cisco NCS 4009 Chassis
Hardware Installation Guide for Cisco NCS 4000 Series
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