Avaya G700 Installing Manual page 124

Hardware installation for the G700 Media Gateway and S8300 Media Server
4. Connect the DC feed cable for each G700 to the G700 chassis.
5. Connect the DC feed cable for each G700 to the DC power source.
a. Connect the red insulated 10 AWG lead to the -48Vdc Return (positive) source.
b. Connect the black insulated 10 AWG lead to the -48Vdc (negative) source.
Figure 17: DC Wiring Diagram
You have now completed the initial installation of the G700 Media Gateway.
124 Installing and Upgrading the Avaya G700 Media Gateway and Avaya S8300 Media Server
1 AWG
ground wire
DC power cabinet
Approved
ground
10 AWG
Ground
To
CBC ground terminal discharge
bar at the MDF bar
Ground
connection
terminal
System single
point ground
circuit
+
breaker
+
DC battery
cabinet
-
-48
-
VDC
DC power
Frame ground
from rectifiers
Single point
ground
block
Main AC
supply
(AC mains)
6 AWG
30A
30A
LVD
30A
30A
Rectifiers
RTN
Green/Yellow
Green/Yellow
Green/Yellow
10 AWG
-48 V RTN
RED
G7
G650
BLACK
-48 V
10 AWG
-48 V RTN
RED
G7
G650
BLACK
-48 V
10 AWG
-48 V RTN
RED
G7
G65
10 AWG
BLACK
-48 V
10 AWG
RED
To next
10 AWG
G7
G650
BLACK
10 AWG
10 AWG
10 AWG
cydf_dc2 LAO 072403