Cisco NCS 540 Installation Manual page 34

Ground the Router
Caution
Before making connections to the router, ensure that you disconnect the power at the circuit breaker. Otherwise
it may result in severe injury to yourself, or damage to the router.
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence
of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician
if you are uncertain that suitable grounding is available. Statement 1024
Warning
Use copper conductors only. Statement 1025
Warning When installing the unit, the ground connection must always be made first and disconnected last. Statement
42
The following figure shows one of the grounding points of the router, for ease of installation. The other
grounding point is on the front panel, which can also be used for grounding the router.
Cisco Network Convergence System 540 Passive Cooled Small Density Routers Hardware Installation Guide
28
Install the Cisco N540-6Z14S-SYS-D Routers