Avaya g700 Installation And Upgrades page 111

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 16: DC Wiring Diagram
Approved
ground
10 AWG
To
CBC ground terminal
bar at the MDF
Ground
connection
terminal
circuit
+
breaker
DC battery
cabinet
-
Frame ground
Single point
ground
block
Main AC
supply
(AC mains)
You have now completed the initial installation of the G700 Media Gateway.
1 AWG
ground wire
DC power cabinet
Ground
discharge
bar
System single
point ground
+
-
-48
LVD
VDC
DC power
from rectifiers
Rectifiers
6 AWG
About installation and cabling
10 AWG
-48 V RTN
RED
G7
BLACK
30A
-48 V
30A 10 AWG
-48 V RTN
RED
G7
BLACK
-48 V
30A
10 AWG
-48 V RTN
RED
G7
30A
10 AWG
BLACK
-48 V
10 AWG
RTN RED
To next
G7
10 AWG
BLACK
Green/Yellow
Green/Yellow
Green/Yellow
G650
G650
G65
G650
10 AWG
10 AWG
10 AWG
cydf_dc2 LAO 072403
Issue 8.1 June 2005 111