| Public Address & Intercom Systems with Analog Intercom Stations and Centralized Amplification |
Main Features
• Fully integrated Public Address / Intercom / Telephone System.
• Extended intercom operation (omnibus page/party, selective point-to-point, group calls and conference calls), with virtually unlimited number of simultaneous conversations.
• Paging zone calls (including single zones, any combination of zones and all zones).
• Alarm tones and/or prerecorded messages zone broadcasts (including single zones, any combination of zones and all zones).
• Double functionality of Public Address / Intercom stations and plant telephone sets, i.e. Public Address / Inter-com stations working also as telephone sets connected to the plant PABX, as well as plant telephone sets working also as Public Address / Intercom stations connected to the Public Address / Intercom System. In case of failure of Public Address / Intercom System or plant PABX, the telephone or Public Address / Intercom func-tionality is any case guaranteed.
• Public Address / Intercom stations fitted with double full-duplex conversation mode: with handset or hands-free (without handset).
• Possibility to utilize as Public Address / Intercom stations any type of Fitre analog telephone sets (indoor, weatherproof and explosion-proof, including cordless/DECT).
• Main Public Address / Intercom stations (access panels) VoIP based, fitted with handset and keypad. If re-quired, also equipped with gooseneck microphone and additional 40 buttons (up to 48 in total) keypad for di-rect activations. Max allowed distance of access panels from LAN switch is 250 meters.
• Very cheap and cost-effective cables network using standard cables (one standard telephone pair for each Public Address / Intercom station, one standard power pair for each speakers’ loop and one standard power triplet for each beacons’ loop).
• System architecture allowing, in case of fault of a field device (Public Address / Intercom stations, speakers and beacons), the complete operation of all other field devices even in case of multiple fault events.
• Public Address/Intercom stations star connected to the central unit of the Public Address / Intercom system, with a maximum allowed distance up to 3 kilometers.
• Day/night attenuation feature programmable for each power amplifier.
• Telephone interface with the plant Telephone System.
• Radio interface with the plant Radio System.
• Interfacing with existing Public Address and Intercom Systems.
Main Applications
Oil & Gas, Petrochemical, Power, Steel, Heavy and Light Industries.
Main Options
• Indoor speakers for accommodation areas fitted with volume control which in case of emergency calls will be overridden, and the volume automatically set up at the maximum level.
• Broadcast of pre-recorded messages and music through radios, CD readers and MP3 players.
• Dual feeders power supply managing.
• Central cabinets fitted with surge protectors.
• Central cabinets fitted with antiseismic kit.
• Power supply unit in redundant configuration “1+1”.
• Power amplifiers in “N+1” backup configuration.
• System full duplication in “A+B” configuration.
• Public Address System EN 54-16 certified.
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