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.

MERLIN II System control unit

To

Central

Office

CO lines

CO

l i n e protector

Power

408

408

408

408

Supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- -

 

AC

AC

 

 

Plug

surge

 

 

outlet

 

 

 

suppressor

 

 

 

 

 

 

 

Shield ground

Commercial power

 

B

 

 

 

 

 

 

 

 

 

 

Power

 

W

 

 

GND(Green)

 

 

service

 

 

Earth

 

Power

ground

Bond wire

ground

rod

 

 

FIGURE 2-1 A typical MERLIN II system grounding plan.

2-6 System Grounding Requirements

Page 74
Image 74
AT&T 518-600-016 manual Merlin II System control unit Central Office