Valcom v-9941a

VSP V 9941A 3 ZONE HANDSFREE TALKBACK CONTROL UNIT V 9941A is a one zone handsfree page unit for on an Electronic Key system line key position a loop start trunk port a dedicated single line or a 600 ohm two way page port with a closure instructions contain the specifications and necessary to install operate and maintain One Zone Handsfree Talkback Control Unit Provides battery feed and loop detect circuitry properly interface with a telephone system O position or dedicated single line telephone Provides VOX circuit and handsfree amplifier to 45 ohm talkback speakers Provides 600 ohm input with ground start input operate on E Key systems with a 600 ohm way page port and a contact closure PABX loop start trunk port Electronic key system C O Line position Telephone systems with 600 ohm two way page and contact closure Dedicated single line telephone to Figure 1 for a block diagram of a typical When used with additional the V 9941A can also be from a push to talk microphone for in restaurant drive in windows and other applications Contact Valcom Engineering for information for ground start from a contact closure Loop start Provides optional battery feed Built in talkback amplifier Directly drives up to two talkback speakers Will drive Valcom one way amplified speaker alert tone option Screw terminals for all connections Repeated alert tone option Music input Speaker inhibit option Operates on B Battery Maximum of two Valcom talkback speakers plus one way amplified speaker assemblies Maximum allowable cable distance from control to talkback speakers is 800 feet Each V 9941A will provide one zone of talkback The V 9941A is a single talkpath unit Each V 9941A will drive up to two 45 Ohm speakers Up to 40 one way amplified speaker assemblies be used in addition to the talkback speakers Manuals Online Key or PABX O Line or Start Port 1 Typical Loop Start Trunk Installation H x 4.65 W x 2.3 D 20.96cm H x 11.81cm W x 5.84cm D lbs 68 kg Requirements to B Battery 300ma max to 50 Degrees C to 85 non precipitating DESIGN Valcom V 9941A talkback control unit is to provide paging access from a C O or loop start trunk port of a telephone The V 9941A may also be connected to a ohm two way page port with a contact closure or dedicated single line telephone The V 9941A all the VOX and handsfree amplifier required to drive up to two Valcom 45 ohm speakers Key PABX Access or Single Line Telephone following components are required when paging a PABX loop start trunk port Electronic Key C O line position or a Dedicated Single Line telephone system C O line port or PABX loop trunk port with a circuit card installed or a single line telephone V 9941A talkback control unit VP 624B power supply ohm talkback speakers maximum two Port Access 600 ohms with Closure following components are required when paging a 600 ohm two way paging port ohm two way paging port with contact closure V 9941A talkback page control VP 624B power supply ohm talkback speaker maximum two Music V 9941A provides a background music input is designed to automatically cut off the music a page If background music is to be installed receiver providing an 8 ohm output with 1 3 watts output power will be required Option V 9941A is equipped with an inhibit lead that be used in special applications to automatically off the speakers and allow a handset between the calling party and a single telephone connected to the paging Tip and Ring use the inhibit function you will need a dedicated line telephone modified for A Lead Control a 5.1K ohm 1 4 watt resistor the metal mounting plate from the rear of the enclosure Using two 6 3 4 wood screws the plate in a vacant space on the backboard the telephone system common equipment Both holes must be utilized to insure secure of the unit See Figure 1A the V 9941A enclosure to access connections option switches Slide the rear of the unit the board onto the mounting plate and lock place with screw provided Make connections cover and lock in place with the 6 1 2 provided Manuals Online REMOVE COVER SCREW ACTIVATE LATCH TIE LOOP TIE USED TO BUNDLE AND LEAVING TERMINAL OPENING WALL PLATE AND BOX WALL LATCH DIA HOLES FOR MOUNTING OR DOUBLE GANG JUNCTION PATTERN MATCHES BOTH US JUNCTION BOXES BOARD ASSEMBLY x 2 WIRE ACCESS OPENING JUNCTION BOX LATCH COVER 1A Manuals Online cid 12 cid 19 cid 14 cid 20 cid 19 cid 14 cid 20 cid 23 cid 24 cid 23 cid 24 cid 27 cid 21 cid 16 cid 28 cid 24 cid 16 cid 10 cid 24 cid 18 cid 12 cid 26 cid 14 cid 12 cid 14 cid 22 cid 27 1 cid 11 cid 27 203 cid 27 cid 21 3 cid 21 0 cid 17 cid 27 cid 27 45 cid 27 0 cid 21 cid 21 INSTRUCTIONS a check by each step as it is completed 1 2 3 4 5 24VDC B battery May be to as or signal battery from supply to terminal 4 24VDC on the 24VDC B ground or ground from power supply to 3 GND 24VDC ground from power to telephone system GROUND Tip of the telephone system trunk to the V 9941A terminal 1 TIP Ring of the trunk port to the terminal 2 RING 6 Tip and Ring of the talkback to the V 9941A terminals 6 and 7 of the V 9941A 7 Option Switches a controls the initial alert tone Turn switch ON to precede each page with an tone controls the repeated alert tone the switch ON to have a short tone every 15 seconds during a handsfree SW3 ON Battery Feed Switch b c 8 in power supply A battery may be substituted for battery Manuals Online cid 12 cid 16 cid 28 cid 20 cid 16 cid 19 cid 18 cid 24 cid 14 cid 12 cid 14 cid 22 1 cid 11 cid 27 203 cid 27 cid 25 0 cid 27 cid 27