A Public Address (PA) System is a centralized system made up of loudspeakers, amplifiers, microphones, and audio switching matrixes used to broadcast alarms and provide voice paging to multiple or single areas of a facility using loudspeakers. The facility can be separated into zones or areas to enable the ability to specify which areas will receive voice or alarm notifications.
Having a PA System can be imperative in a large facility to provide the inhabitants of the building with notifications, important announcements, alarms, etc. Messages can be broadcast to either the entire facility at once, or to certain zones only.
The loudspeakers must provide clearly heard and understood audio signals. Certain industrial environments may require that the speakers be flame retardant or weather-proofed to ensure operational readiness in all conditions such as hazardous or noisy atmospheres. They can also be omnidirectional to transmit or receive messages from either end of the speaker. The system can be operated from a single control desk or multiple control desks.
Because amplifiers are built in over load protection circuitry, short-circuit protection, open circuit protection and thermal protection.
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managing thousands of doors and alarm monitoring points globally.
More IT-friendly - Onboard Ethernet port allows seamless connection to TCP/IP networks
Bigger Databases - Cardholder capacity of 1,00,000 and transaction storage of 1,00,000
More Secure - Distributed architecture makes risk of failure highly dispersed
The IP-enabled controller is an advanced access control panel capable of providing solutions for medium to large applications. The controller provides power and flexibility with its 32-bit CPU architecture, TCP/IP protocol support, flash memory for firmware an large local card holder database.
The controller is designed to operate off line, making access control decisions independently from a PC or other controlling device. It can also be connected to a host computer for system configuration, alarm monitoring and direct control. Connectivity to the host computer is accomplished via TCP/IP network connection.