
- PRODUCT DETAILS
● Two bus, non-polar
● Power bus, non-polar
●When the power bus is powered off, return a controller fault message
● Occupy an address point and use electronic coding to address it
● Automatically return feedback information to the controller after startup
●Indoor type, within 4 seconds after the sound and light alarm is activated, there is a warning fire alarm sound, and then the fire alarm sound pressure level is normal
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