4-11
Multi-Drop Option
Connect the line wires to terminals #4 and #5 of the Line Interface Unit’s front panel TB
(See Figure
4-7).
Figure
4-7 Multi-Drop Option - Electrical Connections
6 5
4 3
2 1
PROT.
GND
Line
To CPU
LED
6 5
4 3
2 1
6 5
4 3
2 1
PROT.
GND
Line
To CPU
LED
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