Avaya G650 Installing page 37

Figure 11: Typical DC power layout for a G650
1
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
2
10 AWG
4
6
circuit
breaker
+
8
-
-48
LVD
VDC
DC power
7
from rectifiers
Rectifiers
10
9
6 AWG
Installing the G650 Media Gateway
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
Issue 2 February 2007 37