Installing the Control Unit
To
Central
Office
or
Serving
Facility
CO
Lines
CO
D2R Cords
CO
DIW or 25-Pair Cable
Line
Network
Interface
Wiring
Field
Protector
Coupled Bonding
Conductor (optional)
Power
Supply
Commercial
Power
AC
Ground
Plug
Outlet
Wire
B
Power
Service
Single -
Point
Ground
Bar
W
GND (Green)
#6 AWG
Shield
Ground
Earth
Ground
Power
Ground
Rod
Bond
Wire
Figure 2-3. Central Office and AC Grounds
2-12
Power and Grounding