Avaya S8700 - Connect DC Power Cabinet Approved Ground; Connect AC Power to DC Power Cabinet; Connect Ground Wires for DC Power Systems

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Installing the Avaya™ S8700 Media Server with Avaya™ MCC1 or SCC1 Media Gateway
May 2003
4 Route the wire through one of the holes in the side of the cabinets and terminate it on the
Ground Connection Terminal in the DC battery cabinet.
Connect DC Power cabinet Approved Ground
NOTE:
The wire must be at least as large as the largest distribution wire in the S8700
Multi-Connect configuration (required by UL). In this example 1 AWG is used.
1 At the DC power cabinet, connect a 1 AWG (#70) (44 mm
2
) ground wire to the Ground
Discharge Bar. See ‘‘Typical Power and Ground for a DC power cabinet’’ on page 83
.
2 Route the ground wire out of the cabinet and terminate it on the approved ground. The
approved ground must be identified with a grounding tag (FORM 15657NR or
equivalent). See Approved Grounds
.
Connect AC Power to DC Power cabinet
!
CAUTION:
Power is present in the cabinet even if the AC power cable is unplugged. Turn off the main
circuit breaker on the front of the cabinet when procedures require ALL power to be
removed from the cabinet.
1 Ensure the associated circuit breakers at the AC power panel are OFF.
2 Have an electrician connect AC power leads to the rectifiers using the instructions
provided with the rectifiers in the DC Power cabinet. Each rectifier should have its own
branch circuit. Terminate leads on the AC INPUT terminal block of each rectifier.
Connect Ground Wires for DC Power Systems
!
CAUTION:
Do not connect any ground wires between cabinets. All ground wires must be terminated
at the single-point ground block at the main AC supply (AC mains).
1 Connect a 6 AWG (#40) (16 mm
2
) wire to the first cabinet ground terminal block.
2 Route the wire to the AC mains single-point ground block and connect.
3 Connect a 6 AWG (#40) (16 mm
2
) wire to the each of the other cabinets’ ground terminal
block.
4 Route the wire(s) to the AC mains single-point ground block and connect.
5 Connect a 6 AWG (#40) wire to the DC battery cabinet and DC power cabinet.
6 Route wires to the AC mains single point ground block and connect them.