Cisco NCS 4201 Installing Manual page 30

Installing the Chassis Ground Connection
This section describes how to ground the Cisco NCS 4201 chassis. The grounding lug location is on the back
panel of the chassis.
Tip Ensure that the grounding lug wire does not cover the fan opening.
Figure 23: Attaching a Grounding Lug to the Rear of the Cisco NCS 4201
1
To ensure that the chassis ground connection that you provide is adequate, you need the following parts and
tools:
• Ratcheting torque screwdriver with Phillips head that exerts up to 15 in.-lb (1.69 N-m) of torque for
attaching the ground wire to the chassis
• Crimping tool as specified by the ground lug manufacturer
• 6-AWG or larger copper wire for the ground wire
• Wire-stripping tools appropriate to the wire you are using
Before making connections to the Cisco NCS 4201, ensure that you disconnect the power at the circuit
Caution
breaker. Otherwise, severe injury to you or damage to the chassis may occur.
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
Warning
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
Use copper conductors only. Statement 1025
Warning
When installing or replacing the unit, the ground connection must always be made first and disconnected
Warning
last. Statement 1046
This unit is to be installed in a restrictive access location and must be permanently grounded to a minimum
6-AWG copper ground wire.
Cisco NCS 4201 Hardware Installation Guide
30
Grounding lugs
Installing the Cisco NCS 4201
2 Fan status LED