Simplex Dual Channel Voice Communications General Information

firealarmresources com HAZARD electrical power when making any internal servicing be performed by qualified Simplex Representa REQUIREMENT system disconnect removing payer FIRST and1 AC power When connecting to this system connect AC power FIRST and last TO USE THIS PUBLICATION publication provides configurations are illustrated as are specific interconnections between 2120 and 2001 equipment on 2120 Multiplex dual channel voice communications Typical manual divided into the following sections MAIN EQUIPMENT REMOTE EQUIPMENT CLASS A AUDIO FOR DUAL CHANNEL SYSTEMS More Detailed to the documents below Voice Communications Wiring Diagrams Systems Troubleshooting Guide Voice Communications Module Descriptions interconnection drawings for the specific installation cabinet drawings the specific Multiplex dual channel voice communications communications over a single channel system The dual channel system can transmit separate areas of a building at the same time Simultaneous operation requires some special features are similar to single channel systems Both use 2001 provide their basic functions However a dual channel voice system has an different audio messages appropriately operate system speaker circuits A set of SMPL programs Two audio control modules Two riser power preamps Two audio risers certain applications Special FABT or ET dual channel audio relay boards are two basic configurations this application assembly two riser power preamps are located used two is the size of the SCC used Figure 1A illustrates a system 2120 dual channel audio systems 1A and 1B The difference which a lo module SCC is used microphone with the SCC cabinet w w INTERFACE IN TO EACH I AUDIO OTHER IN t VPBT AND SCC CABINETS BY SIDE VOICE Dual Channel Voice Communications O Module SCC Only Diagram 1 A 1B illustrates an application assembly the two riser power preamps must be mounted a close nippled cabinet which a 30 module SCC used that SCC contains a microphone L Dual Channel Voice Communications Only Diagram 1 B look at the various components of the 2120 dual channel audio system We start with the main equipment Throughout publication we will use 2001 product you make easier cross reference voice voice EQUIPMENT section discusses the interconnections dual channel audio equipment used in the BMUX SCC and riser preamp cabinets that equipment and 2120 equipment BMUX FIGURE 2 typical BMUX cabinet configuration used in the BMUX cabinet is listed below a dual channel application shown in Figure 2 The dual channel audio An audio control module which provides presignal and the audio system An control module 2001 6064 which provides evacuation signals and interfaces player if used to the audio system An optional message player assembly consisting of digital message player 2120 0238 timer 2001 3042 dual preamp monitor modules 2001 6027 All models prior to March 1987 contain a tape player 2001 6046 than a digital message player 2120 If a message player is not used then a four place card rack is supplied to house the preamp monitor modules DIGITAL Models prior to March 1987 a tape player rather than digital message player BMUX Cabinet 2 3 through 5 illustrate Notice that the local BT is u d system interconnections each dual channel audio component and the BMUX as it is in the single channel implement various audio functions SYSTEM TROUBLE PREAMP MONITORS LOCAL BT MONITOR 7 V IN FROM BT CONTROL 1 TO ACTIVATE SYSTEM PREAMP MONITOR TAPE IN FOR TROUBLE FROM SWITCH IN SCC MESSAGE TAPE CONTROL TAPE RESET LOCAL BT POINT 2 FOR TO AUDIO CONTROL MODULE Refer to 2001 Systems BMUX cabinet for 2001 interconnections shown here Player Assembly 3 FOR OSC STOP LOCAL BT POINT 5 CONTROL WlPREAMP MIXER Refer to 2001 Systems BMUX cabinet drawing 2001 module interconnections shown here OR PREAMP AS APPROPRIATE V IN FROM OSCILLATOR SWITCH FOR MANUAL ALARM IN FOR OSC FROM OSCILLATOR SWITCH MODULE IN FOR OSC FROM DUAL CHANNEL EQUIPMENT CABINET TALK Audio Control Module 4 13 15 V IN TO ACTIVATE SYSTEM FROM LOCAL BT POINT 1 V IN FOR MANUAL ALARM OSCILLATOR CONTROL SWITCH MODULE SCC CABINET VIA ALERT AUDIO CONTROL MODULE CONTROL W PREAMP MIXER 12 OUT TO POWER IN FROM AUX 1 TONE OSCILLATOR CONTROL MODULE V IN FOR AUX 2 TONE OSCILLATOR CONTROL MODULE DUAL CHANNEL EQUIPMENT SCC CABINET IN FOR OSC STOP OSCILLATOR CONTROI MODULE IN FOR OSC STOP MESSAGE OR TAPE PLAYER Refer to 2001 Systems and cabinet drawing 2001 module interconnections shown here Audio Control Module 5 6 shows and control points in a dual channel audio system typical the local BT listing functions of local BT SPECIFICATION WORKSHEET NO TYPE TRANSPONDER CONTINUATION CHANNEL TRANSPONDER 1.21 11.631 11 N 11 CUSTOM LABE Transponder Worksheets Local BT Dual Channel Voice Comm Functions 6 SCC