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- Product Name：PMM-3P Interface Module for Ordinary Detector
- Product ID：PMM-3P
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1. Description:
An intelligent detector owns an independent location in the BUS. PMM-3P interface module serves quite well in wide areas like corridors or halls. PMM-3P, located in the BUS, is accessed to up to 25 ordinary detectors (10 detectors in parallel allowed by GBJ116-88 regulations).

2. Characteristics:
Compatible with bi-wiring detectors
Status supervision of input circuits and external power supply
High anti-interference ability
SEMS bolts simplifying installation and maintenance
Address setting: 1~159
Built-in magnetic test switch
LED endlessly flashing when alarm sound and flashing regularly in normal conditions

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