Buying Guide・2015-05-21

A Brief Introduction to the Integration of BXB PA System with Security Alarm and Emergency Intercom Systems

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【Written by / Henry Hsiang】

The earliest PA systems only had broadcasting needs, basically requiring only two speaker wires for audio transmission. Subsequently, they evolved into addressable broadcasting, which required at least 2-3 additional wires for power supply and communication code transmission in cooperation with decoder power supply. When learning about BXB's PA system, the most common question many customers ask is, 'Why does BXB's main trunk line have seven wires? What are these seven wires for?'

The 7-core cable is a feature of the BXB public address system. Because of these seven cores, the BXB public address system integrates emergency intercom, access control, and anti-theft campus security in addition to general broadcasting, providing more comprehensive system services. The following explains the functions of each of the seven cores and how they integrate with decoders for access control and anti-theft: more..