4EVAC Loopdrive 4E-LDB User And Installation Manual page 5

Loopdrive – User and installation manual
1. Indicator A
2. LOOP connector A
3. Indicator B
4. LOOP connector B
5. RESET button
6 EOL monitoring switch for T-Branch
7. External LED connector (external fault indicator)
8. T-Branch connector
FIM (Fault Isolator Module) – installed in the field, on the loudspeaker line. FIM functions
as the isolator in case of a short-circuit. Responsible for monitoring and reporting faults
locally (for local line segments connected to the FIM):
- Loop short (only adjacent segments)
- T-branch short
- T-branch open
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