Avaya S8700 Installation Instructions Manual page 116

2
Crimp terminal lugs on each end of the wire. Terminal lugs are furnished as part of D-181895, Kit
of Parts (Comcode 105434559).
3
At the DC power cabinet, connect the wire to the ground discharge bar.
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.
Connecting DC power cabinet approved ground
1
At the DC power cabinet, connect a 1 AWG (#70) (44 mm
bar. See
page 122.
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
Grounds.
Connecting AC power to DC power cabinet
1
Be sure 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.
Connecting ground wires for DC power systems
1
Connect a 6 AWG (#40) (16 mm
2
Route the wire to the AC mains single-point ground block and connect.
3
Connect a 6 AWG (#40) (16 mm
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 the wires to the AC mains single-point ground block and connect.
116
NOTE:
The wire must be at least as large as the largest distribution wire in the MCC1 Media
Gateway (required by UL). In this example, 1 AWG is used.
Figure 36, Typical power and ground for a mixed AC/DC-powered media gateway,
for more information.
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.
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).
2
2
Installing the Avaya S8700 Media Server with an Avaya G650 Media Gateway
2
) ground wire to the ground discharge
) wire to the first cabinet ground terminal block.
) wire to each of the other cabinets' ground terminal block.
on
Approved
December 2003