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●
Adequate bonding of the Central Office line protector
ground and the power company ground
Refer to Figure 2-1 for an example of a typicaI MERLIN
II
system grounding plan.
Power
Supply
408 408 408 408
CO
lines
To
Central
Office
MERLIN II System
control unit
CO
line
protector
●
--
AC
surge
suppressor
AC
outlet
Commercial
power
Plug
●
B
W
Shield
ground
Power
service
GND(Green)
●
●
Earth
ground
●
Bond wire
Power
ground
rod
FIGURE 2-1 A typical MERLIN II system grounding plan.
2-6 System Grounding Requirements