Avaya G650 Installing page 141

Figure 70: Typical power and ground for a DC power cabinet
3
+
-
AC
phase
AC
phase
Figure notes
1 Approved Ground
2 1 AWG Ground Wire
3 CBC Ground Terminal Bar at the MDF
(if used)
4 System Single-point Ground Discharge
Bar
5 DC Power Cabinet J58890R or new DC
system
Installing the Avaya G650 Media Gateway
June 2004
1
2
10 AWG
4
6
circuit
breaker
+
8
-
-48
LVD
VDC
DC power
7
from rectifiers
Rectifiers
10
9
6 AWG
5
10 AWG
RED
BLACK
50A
50A 10 AWG
RED
12
BLACK
50A
10 AWG
RED
50A
10 AWG
BLACK
10 AWG
RTN
RED
10 AWG
BLACK
Green/Yellow
Green/Yellow
Green/Yellow
6 Ground Wire for Battery (+)
7 Battery Frame Ground
8 DC Battery Cabinet
9 Main AC Supply (AC Mains)
10 AC to DC power cabinet
11 To Next DC-powered Media Gateway
12 DC load circuit breakers
-48 V RTN
MCC
-48 V
-48 V RTN
MCC
-48 V
-48 V RTN
MCC
-48 V
11
10 AWG
10 AWG
10 AWG
cydfdc3i KLC 050304
141