Connect Dc Power To The Media Gateways - Avaya S8700 Installing Manual

88
Installing an Avaya MCC1 Media Gateway
Power Distribution Unit (J58890CH)
pcdf010 KLC 020599
Figure notes
Connect small battery holdover cable (or temperature sensor cable from large battery
1
cabinet) to J20
Carrier Circuit Breakers
2
3 Ground Terminal Block
4 Connect -48 VDC Return - 1 AWG (50 mm
Connect -48 VDC - 1 AWG (50 mm
5
6 1 AWG (50 mm
ft. (15.2 m), contact your Avaya representative.
7 Ground Terminal Block
8 To AC load center or approved single-point ground block

Connect DC Power to the Media Gateways

1 Be sure the main circuit breaker is OFF.
Measure and cut 2 pieces of 1 AWG (#70) (44 mm
2
DC power cabinet to the first media gateway.
3 At the DC power cabinet, connect the -48 volt DC wire to the DC OUTPUT circuit
breaker. See
the -48 volt RTN (return) wire to the ground discharge bar.
Route the wires out of the cabinet, through the hole in the lower rear cover, and to the
4
first media gateway.
1
6
2
) black cable
2
) 50 ft. (15.2 m) cable to large battery cabinet. For cables greater than 50
''Typical Power and Ground for a DC power cabinet'' on page
October 2002
3
5
2
) red cable here.
2
) wire long enough to reach from the
2
7
4
8
82. Connect