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Switch the fire broadcasting system

Posted: Mon Feb 21, 2022 6:31 am
by vedard
How can the fire alarm system speakers be used as background music or general broadcast in normal times? You just need to add an output module.
ZC1 (2), ZC2 (1): Background broadcasting signal input terminal, non-polarized.
XF1 (6), XF2 (5): Fire broadcasting signal input terminal, non-polarized
SP1 (4), SP2 (3): Voice box output terminal, non-polarized
ZC1, ZC2, and XF1, XF2, and SP1, SP2 adopt RVS twisted pair or BV wire, and cross section
Each output terminal of audio output line connects a 22UF/250V bipolar aluminum
electrolytic capacitor.
Automatic fire alarm system is a set of rigorous and complicated safety system. Fire alarm system includes fire detection alarm input, alarm system monitoring display and controller, alarm control output sound and light, linkage automatic fire control system. Modules are usually the Bridges that connect and control subsystems. There are usually input modules, output modules and input/output modules. Select the module and cable connection mode based on the connected system or device.
output module.JPG
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