Chapter 3 Installing the Cisco ASR 903 Router
Installing the Chassis Ground Connection
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
•Crimping tool as specified by the ground lug manufacturer
•18 AWG copper wire for the power cord
•6 AWG or larger copper wire for the ground wire
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Caution Before making connections to the Cisco ASR 903 Router, ensure that you disconnect the power at the circuit breaker. Otherwise, severe injury to you or damage to the router may occur.
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
This unit is to be installed in a restrictive access location and must be permanently grounded to minimum 6 AWG copper ground wire.
Perform the following procedure to ground the Cisco ASR 903 Router using a
Step 1 If your ground wire is insulated, use a
Figure 3-9 Stripping a Ground Wire
0.5 in. (12.7 mm) ± 0.02 in. (0.5 mm) 
Insulation
Wire lead
60528
Step 2 Slide the open end of your
Cisco ASR 903 Router Hardware Installation Guide
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