-8-
Warning
e) Perimeter protection in a two-stack configuration
Transmitter A
Transmitter B
Receiver A
Receiver B
1
3
1
3
1
3
1
3
1
3
1
3
2
4
2
4
Note>>
4
4-1
a) Double stacked protection
c) Double stacked long distance protection
Note>>
d) Perimeter protection
Transmitter
1
Transmitter
3
Transmitter
1
Transmitter
3
Receiver
1
Receiver
1
Receiver
3
Receiver
3
Transmitter Receiver
Transmitter Receiver
Receiver Transmitter
Receiver Transmitter
Transmitter Receiver
Transmitter Receiver
Receiver
1
2
4
Transmitter
4
1 1 1 1 3 3
Transmitter A Receiver A Receiver B Transmitter B
b) Long distance protection
Transmitter
3
Transmitter
1
Transmitter
4
Transmitter
2
Receiver
2
Receiver
4
Receiver
1
Receiver
3
Receiver
2
Receiver
4
Receiver
1
Receiver
3
Transmitter
4
Transmitter
2
Transmitter
3
Transmitter
1