Ademco - 793, 794 Four Channel Digital Communicators

ADEMCOJ 794 CHANNEL COMMUNICATORS INSTRUCTIONS digital communicators descflbed herein transmit coded messages the telephone system to a digital receiver located at a central monitor station Special communicators receivers various Iormats to accommodate var lines are not transmit models Nos 793 and 794 can suppofl following formats Ademco Standard LOW SPEEO and Silent Knighl PPS 1400 Hz adation Char see SESCOAI Franklin lRadionicsl OCl 20 PPS 2300 Hz Ackl Kiss off No 794 can respond in Ademco HIGH SPEED format 01a printed circuit board and plastic housing where differences are noted all of the information herein appfles to models communicator may be installed in any suitable enclosure communicators may be powered from a 6VDC filtered rechargeable or from 12VOC by cutting two BLUE jumpers such as for 6V an No 487 or 493NL Power Supply An unfiltered source may not be used Sources containing NiCad batteries such the No 96 that cannot supply 90 mA continuously may not be used A power supply from a control panel can be used even with bells to the control Communicators may be triggered 2vDC battery or filtered full wave rectified hom an alarm control or source 2 Dry contact closure or opening The unit may not be from an unfiltered rectified source communicators code leads on an 8 pin channel code selector block and the inser of a programmed PROM Programmable Read Only Memory Chip as the 691 PROM Chips can be programmed with he No 690 or 699 by the installer communicators surge arrestors in the premises on the same bne with the communicator whenever communicator arrestors help protect the unit from voltage sur es on the telephone built in double pole line seizure and telephone seizure automatically disconnects all tele 1 Application or removal of insure transmission without the positioning of four easily programmed activated communicators compatible with the Ademco family of ancillary the following No 2 Faull Monitor Timer Module following features earlier 4 channel digital communicators both models afford increased explanation of these features is given where necessary Oouble Pole tine Seizure is provided Anti lam is optionally programmable Subscriber Number can support hexadecimal digits 10 expand the the text of accounts that can be monitored by receivers capable of handl hexadecimal Four OiQit Subscriber Number is optionally programmable for Standard LOW SPEEO and SESCOA formats Different subscriber 1,0 Number can be selected for channels that reDOfl secondary telephone number External Telco Oial Tone Wait Time options are 5 11 or 30 seconds Number of Oialing Attempts can be programmed to be i 15 or Sngle Message Checksum Verification is a for LOW SPEED and only HIGH SPEED transmissions Kss off Wait Tme to compensate for Satelhte Delay apphcable to No only can be extended to 125 seconds from 500 msec for HIGH format orbiting satellite links e g 800MATS HIGH SPEEO Only for No 794 transmission format can be selected for communicator ths HIGH SPE ED acknowledgment of the acknowledgment will be responded to received Diallng Vfllhoul Oelection of Dial Tone can be lnhiblted Surface Mount Device SMD construction provides mor capability and in a more compact electronics package Test Input is provided for triggering by active low e g from No Test Tmer or by application of ground The following contains brief references to options which are fully in the PROGRAMMING section a channel as follows After the normal 150 millisecond response time or 16 seconds to the central monitoring station activated see Long Delay Channels option the communicator exe double pole line seizure and forces a 1.6 second hang up to a disconnect an outgoing call was being made Next the communicator checks for dial tone To shorten the time f contacting the central monitoring station the communlc tor for internal com dial tOn dial tone as well as external N dial tone is detected communicator and auto dtals the preprogrammed telephone number which can of up to 4 access digits and up 0 12 digits in the main tele company and dialed as explained in PROGRAMMING OPTIONS permitted by the telephone company for that sub Two telephone numbers can be pro 11 91 slower pulse dal method see Dial option unif can be programmed to dial lieu of the dial tone is not clear When connection is made with the central monitoring receiver a is sent over the felephone acknowledgment by the receiver to the Communicator This handshake confirms the unit that connection has been established with the receiver handshake is not received within 30 seconds or 60 seconds see Acknowledge Wait option the communicator will disconnect from the telephone line If the communicator will wait long enough approximately 30 with dialing The communicator will then reconnect 10 the tele line and again seize the line check for dial tone and dial as des in Steps 1 2 and 3 disconnect any oufgoing or incoming calls which might programmed see that communicator will mske to a total of 8 attempts or necessary Mtempts or 1 15 Attempts see those opic sj reach the certrzl monitoring station via prmary andlor secondary telephone numbers See PROGRAMMING OPTIONS If the ReporV option is selected cmber of attempts not Unlim ied Attempts telephone number unit will make up to l e reack Upon receipt of the CShandshakes acknowledgment from communicator will stati LOW SPEED or No 794 O HIGH SPEED format receiver upon the type of acknowledgment No 794 SPEED only format as dosctibed in REPORTING FORMATS faulty phone tines can distort the signals message up to 4 times while the recei compares each mes with the one before it As soon as the recei detects 2 s identical messages to the com unicator Alterr2 ely considers the trar smission communicator communicator one of those options has been rocei or sends optioc m be used to extend the kiss off ait Sandard kss off wait e iod is 500 msec HIGH SPEED message lakes place orbil ng satellite transmission 800 WATS lines satellte 125 seconds see PROGRAMMING options the comm again Up 10 a total of 8 attempts or Attempts or 1 15 Attempts programmed will be made to reach the central station primary andlor secondary programmed telephone Note If the Oual Report option is selected UDt he Droorammed number of attemots nut reac each telephone number cot recei a kiss off it hangs up a d will iled In the event that handshake or subsequently kiss off not as described in S eps 4 and 5 above the communicator do n and stop dialing funless programr ed for ted 23 Gommunicato s ntill respond in Ademc S ar dard LOW SPEEC 400 Hz acknowledgment so programmed fro scei or in SESCOA 2300 Hz acknowlec ment from AUX DIG T normally sxcept when the BatteV Ttigger 3rogran1med z z z low batte condition is pr sent at v Cr a 3 s transmitted 1 s a V is tra s b the Test lnD t ttiggersd at Standard LOW SPEED Format A 3M