Valcom V-9940 door intercom system
Contents
1. through 7 ON to select the length of time the unit stays active after last sensing audio Normally dip switch 6 or 7 for 8 or 4 seconds NOTE This setting provides unlimited page length See PABX Station Level Paging to determine if the PABX is compatible for station level page When used with talkback paging the talkback audio may delay or cancel the audio sense release In some special applications a manual reset can be used to provide release from the line by providing a momentary ground to the manual reset pin of the V 9940 INSTALLATION Regulatory Information This equipment is to be installed only in restricted access areas dedicated equipment rooms equipment closets or the like in accordance with Articles 110 16 110 17 and 110 18 of the National Electrical Code ANSI NFPA No 70 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION To reduce the risk of electric shock Do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit When using this equipment basic safety precautions should always be followed to reduce the risk of fire electric shock and injury to persons including the following 1 Never install2. Note e One Zone of Talkback Paging One Zone of Talkback Paging requires one Centrex or C O Line one V 9940 one V 9941A one zone talkback unit 45 Ohm talkback speakers maximum 2 and a VP 624B power supply See Note e Multi Zone Talkback Paging Multi Zone Talkback Paging requires one Centrex or C O Line one V 9940 a dial select page control unit V 2003AHF V 2006AHF V 1109RTHF V 119RTHF or V 136RTHF appropriate talkback speakers and a 24VDC power supply NOTE One way All Call is included with the V 2003AHF V 2006AHF and V 1109RTHF It may be added to the V 119RTHF with a V 1118 and to the V 136RTHF with a V 1134 See Note Wiring of each arrangement is covered in the Installation Section NOTE When using the V 9940 Expandable Station Level Paging Adapter to access multi zone or handsfree control units it should be understood that the quality and noise characteristics of the C O Line circuit may affect the operation of this equipment adversely Dip Switch Settings The dip switch settings are crucial to proper operation of the V 9940 and are different for each application The dip switches select the way the V 9940 releases from the line and how long a page may be made There are three ways the V 9940 releases from the line that are dependent on dip switch settings Open Loop Detect The V 9940 detects a 150ms or longer break in loop current one second after ring trip and release from the line
3. The one second delay in line supervision is allowed due to the instability of some C O and Centrex lines for the first second after ring trip Dip switch settings Set dip switches 1 and 8 ON dip switches 2 through 7 OFF NOTE This setting provides unlimited page length In certain instances a default timeout release is recommended To select a default timeout turn one of dip switches 2 through 7 Refer to Figure 4 for the maximum page length each dip switch allows Time Out Release The V 9940 will release from the line a pre determined amount of time after ring trip as determined by dip switch settings Typical Applications Access from a PABX Station to one zone of talkback page station level access not normally used with talkback Dip Switch Settings Set dip switches 1 and 8 ON Set one of dip switches 2 through 7 ON to select the maximum page length NOTE This setting assigns a limited page length See PABX Station level Paging to determine if the PABX is compatible for station level page Audio Sense Release The V 9940 will release from the line after a pre determined amount of time that silence is detected as determined by dip switch settings Typical Applications Access from a PABX Station to one zone of one way page or multiple zones of one way page using multiple PABX stations and multiple V 9940s Dip switch settings Set dip switch 1 OFF dip switch 8 ON Set one of dip switches 2
4. mounting plate Lock enclosure to mounting plate with screw provided Make connections Replace cover and lock in place with 6 1 2 inch screws provided Power Connections NOTE Power is required for each V 9940 being used If multiple units are used power for additional units may be multiplied from pins 14 and 15 of a previous unit pin 14 is and pin 15 is e Unplug power supply e Connect 24VDC B battery may be referred to as or signal battery from power supply to pin 30 on V 9940 and B ground or signal ground from power supply to pin 29 e Connect 24VDC Ground from power supply to telephone system Ground Dip Switches Power Reversal Indicator Punchdown Block FIGURE 2 LOCATION AND NUMBERING OF PUNCHDOWN BLOCK AND DIP SWITCHES Figure 4 Dip Switch Settings SW OFF ON 1 Audio Sense Time Out Enable Enable 2 Not 1 Sec 1 Second 3 Not 64 Sec 64 Seconds 4 Not 32 Sec 32 Seconds 5 Not 16 Sec 16 Seconds 6 Not 8 Sec 8 Seconds 7 Not 4 Sec 4 Seconds 8 Loop Detect Loop Detect i Enable 12 3 4 5 6 7 8 ON See eee OFF e Power Test a Plug in power supply b If power reversal LED is lit Unplug power supply Reverse connections on pins 29 30 Repeat step 5 Unplug power supply e WN PABX Connecting Arrangements NOTE From the list below determine the arrangement b
5. set for loop detect it will ignore any open loop conditions for the first second then it will release when it senses an open loop on Tip and Ring lasting at least 150ms If you are using the audio sense reset the unit will stay on line until sensing a lack of audio 22dB or less for the period set by the dip switches If using the time out reset the unit will stay on the line for the preset length of time and then will reset whether the page is complete or not Upon release the music source is reconnected to the outputs All call if connected will override both the music SIMPLIFIED SCHEMATIC Repa number is dialed any paging in progress will be overridden and an alert tone will be returned to the overridden parties If they remain on line on completion of the all call page they will be reconnected to their respective zones and all timers will be reset allowing a full page again on each zone TECHNICAL ASSISTANCE When trouble is reported verify that power is being supplied to the unit and there are no broken connections Check voltages for proper polarity on the crossconnect block Table 1 identifies symptoms of possible problems with solutions If a spare unit is available continue to troubleshoot by substituting the spare unit for the suspected defective unit Assistance in troubleshooting is available from the factory When calling you should have a VOM several clip leads a telephone test set available and call f
6. telephone wiring during lightning storm 2 Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations 3 Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface 4 Use caution when installing or modifying telephone lines General The following sections contain step by step instructions for wiring the V 9940 and associated Valcom equipment If the results of a test do not correspond with what is shown DO NOT PROCEED UNTIL THE PROBLEM HAS BEEN CORRECTED During installation Figure 2 may be referred to for location and numbering of punchdown block Refer to Figure 3 for punchdown block pinouts and Figure 4 for dip switch settings NOTE To aid system testing and balancing be sure to set the individual volume controls at approximately 1 2 volume when installing one way amplified speaker assemblies Mounting Remove the metal mounting plate from the rear of the V 9940 enclosure Using two 6 34 inch wood screws mount the plate in a vacant space on the backboard with the telephone system common equipment Both mounting holes must be utilized to insure secure mounting of the unit Provisions for mounting to a single or double gang junction box are provided See Figure 5 Open the V 9940 enclosure to allow access to connections and option switches Slide the rear of the unit contains the board onto the
7. DSFREE PAGING PABX CENTREX OR O LINE ACCESS V 9940 PUNCHDOWN BLOCK ee ee ee ee 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 PABX Station Centrex Number or C O Line 9 When all connections are complete replace cover and lock in place using the 6 inch 24 Vde llo 4 2 Pai 2 1 oH GND O 24 Vdc Power Supply 6 70 V 9941A WIRING INSTRUCTIONS Place a check by each step as it is completed 1 Connect Tip of the Centrex or O Line to pin 16 of the V 9940 9 Connect Ring of the line to pin 17 Crossconnect pin 6 of the V 9940 to the Tip WHITE BLUE of a Valcom multi zone dial select page control unit such as the V 1109RTVA or V 1109RTHF Crossconnect pin 7 of the V 9940 to the control unit Ring BLUE WHITE Refer to the Installation Manual supplied with the control unit for speaker and power connections Refer to the Installation Manual supplied with the control unit for proper volume adjustment procedures Dip Switch Settings Set dip switches 1 8 ON Set switches 2 to 7 all OFF See Section titled Dip Switch Settings for additional information regarding dip switches When all connections are complete replace cover and lock in place using the 6 inch screws provided Plug in power supply FIGURE 9 MULTI ZONE ONE WAY OR HANDSFREE PAGING CENTREX OR C O LINE ACCESS V 9940 PUNC
8. HDOWN BLOCK eee ae lA to tot 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 R Centrex Number or C O Line BLIWH WH BL gt lt B Ground 0 VISL B Battery 24vDC Zone Outputs gt lt 24VDC gt Power Supply Z Valcom Dial Select Speakers Multi Zone Page Unit Type depends on Control Unit OPERATION Circuit Description The V 9940 Station Level Page Adapter has three inputs Tip and Ring from the line music and all call and two outputs 8 Ohm and 600 Ohm 10 Any input will provide audio at both the 8 Ohm and 600 Ohm outputs Signals coming from the 8 Ohm output will be maintained 7dB below the level of the paging this is not user adjustable There is no modification of page or music signals when using the 600 Ohm output The 600 Ohm output also provides a loop on access and may be used with loop start paging equipment In the idle state signals from the music input will appear on both the 8 Ohm and 600 Ohm outputs On receipt of superimposed ring generator on Tip and Ring the V 9940 will be activated and will place a loop across the station Tip and Ring for ring trip An answer verification tone will then be returned to the calling party and Tip and Ring audio will be connected to the 8 Ohm and 600 Ohm outputs After access the reset circuitry is turned on If the unit is
9. IPLE TALKBACK PABX CENTREX OR C O LINE ACCESS 7 11 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Zone 1 ip tad LEEI ba Station WIRING INSTRUCTIONS Place a check by each step as it is completed ___ 1 1b 1c 1d 2 3 3a 3b Connect Tip of the PABX station number for zone one to pin 16 and Ring to pin 17 of the V 9940 being used for zone one Connect Tip of the amplified speaker assemblies for zone one to pin 8 and Ring to pin 9 of the V 9940 Connect the Ground lead of the speaker assemblies to the power supply Ground Connect the 24VDC lead of the speaker assemblies to the power supply 24VDC B Battery or Repeat Step 1 for each zone REMEMBER each zone requires its own station number and V 9940 All Call Connections Connect Tip of the All Call station number to pin 16 and Ring to pin 17 of the V 9940 Strap from pin 9 of the all call V 9940 to pin 26 of each of the V 9940s being used for individual zones Strap from pin 13 of the all call V 9940 to pin 28 of each of the V 9940s being used for individual zones Music Input Background music may be provided on a per zone basis Connect a low level source to pins 21 and 22 of each V 9940 to receive music Dip Switch Settings Switch settings are the same for the individual zones and the all call PABX Switch 1 must be OFF Turn ON one of switches 2 to 7 to select the reset timing the length o
10. VALCOM Issue 7 V 9940 EXPANDABLE STATION LEVEL PAGE ADAPTER INTRODUCTION The V 9940 is an Expandable Station Level Page Adapter designed to provide ring trip and page access circuitry for use on standard device telephone lines These instructions contain the specifications and information necessary to install operate and maintain the V 9940 Expandable Station Level Page Adapter IMPORTANT Please review dip switch settings page 3 for equipment suitability FCC Information When installing the V 9940 contact the local Telephone Company and give them the following information e The telephone number of the line to which the V 9940 will connect e The FCC Registration BAF9I7 13957 OT N e ringer equivalence number 1 1A If the V 9940 is disconnected from its present line contact the local Telephone Company to make them aware of the change Telephone Company Procedures the goal of the telephone company is to provide the best service possible In order to do this it may occasionally be necessary for them to make changes in their equipment operations or procedures If these changes potentially affect the service or the operation of customer equipment the Telephone Company will give written notice to allow any changes necessary to maintain uninterrupted service SPECIFICATIONS Access Methods e Centrex numbers e Loop start and ground start central office lines e PABX station numbers Figure 1 de
11. e Talkback Paging Go to Figure 8 FIGURE 6 ONE ZONE OF ONE WAY PAGING PABX CENTREX OR C O LINE ACCESS V 9940 CONNECTION BLOCK 15141312 1110 9 8 7 654 32 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 PBX 24Vdc SND B BATTERY B GROUND e 24Vdc POWER SUPPLY amp e VALCOM ONE WAY N AMPLIFIED SPEAKER ASSEMBLIES WIRING INSTRUCTIONS Place a check by each step as it is completed 1 Connect Tip of the PABX Centrex C O Line to pin 16 and Ring to Pin 17 of the V 9940 2 Connect Tip of the Valcom one way amplified speaker assemblies being used to the V 9940 pin 8 and Ring to pin 9 3 Connect the Ground Lead from the speaker assemblies to the power supply B Ground or 4 Connect the 24VDC lead from the speaker assemblies to the power supply Battery or 5 Connect the output of a low level music source optional to pins 21 and 22 6 Dip Switch Settings PABX Switch 1 must be OFF Turn of switches 2 to 7 to select the length of time the unit stays active after last sensing audio reset timing SWITCH 8 MUST BE ON Centrex O Line Set Switches 1 and 8 ON and 2 through 7 OFF See section titled Dip Switch Settings for additional information regarding dip switched 7 When connections are complete replace cover and lock in place using the 6 1 2 inch screws provided Plug in power supply FIGURE 7 MULTI ZONE ONE WAY PAGING WITH ALL CALL MULT
12. ed to Valcom One Way Amplified speaker assemblies or may be used in conjunction with Valcom one zone or multi zone page adapters The following sections describe possible arrangements and detail the equipment required When One Way Amplified Speaker Assemblies are specified consult the Valcom catalog for the style desired Once the style and quantity of speakers are determined select the appropriate power supply after referring to the Valcom One Way Paging VSP or the Marketing Guide PABX Station Level Paging NOTE Before proposing Station Level Paging perform the following test 1 Dial between two stations on the PABX and answer the call 2 Have the called party keep listening while the calling party hangs up 3 After calling party release what does the called party hear If the PABX IMMEDIATELY returns any type of tones to the called party dial tone reorder tone etc then STATION LEVEL PAGING CAN NOT BE USED Consult the Valcom catalog for an appropriate trunk level page adapter If there is silence of at least 10 SECONDS before any tones are returned then one way paging may be used If the line REMAINS SILENT for at least 1 and 1 2 minutes after disconnect then one way or talkback paging may be used If the type of paging desired is possible on a station level of the PABX continue in this section to determine equipment required e One Zone of One Way Paging This arrangement requires one PABX station numbe
13. eing used and proceed to the Figure indicated for step by step instructions e One Zone of One Way Paging Go to Figure 6 e Multi Zone One Way Paging with All Call Multiple Talkpaths Go to Figure 7 e One Zone of Handsfree Paging Go to Figure 8 FIGURE 3 PUNCHDOWN BLOCK PINOUTS _ 8 a ek gt gee E 222 2 8 2 5 6 1 2 T 5 lt 223 2 gt 1514131211109 8 7 6 5 4 3 2 TO REMOVE COVER LOOSEN SCREW THEN ACTIVATE LATCH PLASTIC COVER 2 A 22 EE 2 WIRE TIE LOOP WIRE TIE USED TO BUNDLE WIRES WIREWAY OPENING TO WALL PLATE AND JUNCTION BOX METAL WALL MOUNTING PLATE SNAP LATCH CIRCUIT BOARD S HOUSING ASSEMBLY 1 LOCKING SCREW FIGURE 5 MOUNTING EXPLODED VIEW ENTERING AND LEAVING TERMINAL AREA 155 DIA HOLES FOR MOUNTING TO SINGLE OR DOUBLE GANG JUNCTION BOX HOLE PATTERN MATCHES BOTH EURO AND US JUNCTION BOXES 1 5 x 2 WIRE ACCESS OPENING TO JUNCTION BOX SNAP LATCH FOR COVER Centrex or C O Connecting Arrangements From the list below determine the arrangement being used and proceed to the Figure indicated for instructions e One Zone of One Way Paging Go to Figure 5 Multi Zone One Way Paging will All Call Multiple Talkpaths Go to Figure 6 Multi Zone One Way Paging 1 Talkpath Go to Figure 8 One Zone Talkback Paging Go to Figure 7 Multi Zon
14. f time the unit stays active after last sensing audio Turn switch 8 ON Centrex or C O Line Set switches 1 and 8 ON 2 to 7 OFF See Section titled Dip Switch Settings for additional information regarding dip switches Adjust volume at individual speakers When connections are complete replace cover and lock in place using the 6 2 inch screws provided Plug in power supply WIRING INSTRUCTIONS Place a check by each step as it is completed Connect Tip of the PABX Station Centrex or C O Line to pin 16 of the V 9940 Connect Ring of the line to pin 17 Crossconnect pin 6 of the V 9940 to pin 1 of the V 9941A Crossconnect pin 7 of the V 9940 to pin 2 of the V 9941A Connect 45 Ohm talkback speakers maximum 2 to pins 6 and 7 of the V 9941A V 9941A Power Connections ____ 24 Ground to pin of the V 9941A ____ 6b 24 Battery to pin 4 of the V 9941A 7 Dip Switch Settings ____ PABX Access Set switches 1 and 8 ON Turn ON one of switches 2 to 7 to select the maximum page length ____ Tb Centrex or C O Line access Set switches 1 and 8 ON Set switches 2 through 7 all OFF See section titled Dip Switch Settings for additional information regarding dip switches ____ 8 Refer to the V 9941A installation instructions for proper volume procedure screws provided Plug in power supply FIGURE 8 ONE ZONE OF HAN
15. fect is not the result of damage misuse or negligence after the original shipment the product has not been altered in any way or repaired by others and that factory sealed units are unopened a service charge plus parts and labor will be applied to units defaced or physically damaged freight charges for the return of products to Valcom are prepaid all units out of warranty are subject to a service charge The service charge will cover minor repairs major repairs will be subject to additional charges for parts and labor This warranty is in lieu of and excludes all other warranties expressed or implied and in no event shall Valcom Inc be liable for any anticipated profits consequential damages loss of time or other losses incurred by the buyer in connection with the purchase operation or use of the product This warranty specifically excludes damage incurred in shipment In the event a product is received in damaged condition the carrier should be notified immediately Claims for such damage should be filed with the carrier involved in accordance with the F O B point Headquarters Valcom Inc 5614 Hollins Road Roanoke VA 24019 5056 Phone 540 563 2000 Fax 540 362 9800 TABLE 1 TROUBLESHOOTING CHART Symptoms Solutions Red power reversal LED is lit Reverse power connections to pins 29 and Will not trip ringing Verify 24VDC on pins 29 and 30 Verify ring voltage is present on pins 16 and 17 75VAC mi
16. nimum No output from amplified speaker assemblies Listen using lineman s test set for audio on 8 Ohm output pins 8 and 9 Verify 24VDC to speakers Remember GND is 24VDC is Unit will never release Refer to the appropriate connection Figure and verify the dip switches are set properly All call does not work Verify connections according to Figure 6 Verify all call out of master unit is connected to all call in of all other units Verify 8 Ohm output of master unit connected to all call audio in of all other units Verify proper voltage and polarity on pin 29 and 30 of master unit Verify ring voltage is present on pins 16 and 17 of master unit when all call number is dialed 12
17. picts a block diagram of a typical PABX installation Features e Ring trip on first ring e 600 Ohms output 8 Ohms output with AGC e Multiple units may be used for multi zone paging with all call behind a PABX e Use with Valcom multi zone page control unit for multi zone paging Centrex or lines DTMF signaling only e Use with Valcom handsfree page units for talkback paging Background music input Open loop detect reset Audio sensing circuit for reset Time out reset Manual reset Answer verification tone All call override tone Battery reversal indicator Auxiliary Make Break contact Built in 66 type connection block Complies with UL 145 947740 NOTE When used with a PABX the PABX must not return any tones to the called party after calling party disconnect on a station to station call ZONE 1 IN in ALL CALL IN R 8 OHM OUT ALL CALL AUDIO i ZONE 2 IN n CALL IN 8 OHMOUT ALL CALL AUDIO VALCOM ONE WAY AMPLIFIED SPEAKER ASSEMBLIES ALL CALL OUT R 8OHMOUT ALL CALL IN FIGURE 1 BLOCK DIAGRAM OF A TYPICAL PABX INSTALLATION Capacity e Each V 9940 provides one zone of paging when connected to its own PABX station number e Use a V 9940 and a station number zone for multi zone paging behind a PABX e An additional station number and V 9940 may be used to provide all call or over
18. r one V 9940 page adapter appropriate Valcom One Way Amplified Speaker Assemblies and a 24VDC power supply e Multi Zone One Way Paging with All Call This arrangement requires a PABX station number and V 9940 for each zone and an additional number and V 9940 for all call One Way amplified Speaker Assemblies and 24VDC power supplies are also required One Zone of Talkback Paging This arrangement requires one V 9940 one V 9941A one zone talkback unit appropriate 45 Ohm talkback speakers maximum 2 and a VP 624B power supply See Note Centrex or C O Line Access to Paging NOTE Although the V 9940 will work on both loop start or ground start lines when using Centrex service ground start lines provide better security against returned tones In addition Centrex lines should be optioned for cut OFF when disconnect occurs e Zone of One Way Paging One zone of One Way Paging requires one Centrex or C O Line a V 9940 One Way Amplified Speaker Assemblies and a 24VDC power supply e Multi Zone One Way Paging Multi zone One Way Paging requires one Centrex or C O Line a V 9940 a dial select page control unit V 2003A V 2006A V 1109RTVA V 119RTVA or V 136RTHF appropriate One Way Amplified Speaker Assemblies and a 24VDC power supply NOTE All Call is included with the V 2003A V 2006A and the V 1109RTVA It may be added to the V 119RTVA with a V 1118 and to the V 136RTHF with a V 1134 See
19. ride in a one way multi zone system behind a PABX e One V 9940 may be used with a Valcom multi zone page unit to provide up to 36 zones of paging on Centrex or central office lines DTMF signaling only Dimensions Weight e 8 20 H x 4 55 W x 2 30 D 20 83cm x 11 56cm x 5 84cm e 1 7 Ibs 0 77 kg Power Requirements 21 5 to 26VDC Battery 200mA maximum Valcom VP 624B Class 2 power source recommended Environment Temperature Humidity 0 to 50 C 0 to 85 non precipitating Specifications Tip and Ring Input 600 Ohms Voltage for Ring Trip 75 105VAC Ring Trip Timing 150ms Open Loop Detect 150ms starting 1 second after ring trip Audio Sense Release 4 8 16 32 or 64 seconds after audio drops below 22dBm Time Out Release 1 4 8 16 32 or 64 seconds Manual Reset 25ms ground Output 1 Impedance 600 Ohms Page Level Output Level Input Level 1dB Music Level Output Level Input Level Output 2 Impedance 8 Ohms Page Level 10dBm Music Level 17dBm Music Source 8 to 600 Ohms 10 to 18dBm Answer Verification Tone 500Hz 250ms On 250ms Off Form C Contacts 30VDC 2 0 Amps or 125VAC 1 0 Amp DESIGN General The Valcom V 9940 Expandable Station Level Page Adapter is designed to provide access to paging from a standard PABX station number a Centrex number or a Central Office line It should not be used on coin service lines or party lines The V 9940 may be directly connect
20. rom the job site Call 540 563 2000 or visit our website at http www valcom com The V 9940 is not field repairable Valcom Inc maintains service facilities in Roanoke VA Should repairs be necessary attach the company name address phone number contact person and the nature of the problem Send the unit to Valcom Inc ir and Datiurn Nant NGI woop P 5614 Hollins Road and page inputs All call requires an a Roanoke VA 24019 5056 station port for access and musbbrawired as shown Figdte When the station MANUAL RESET CIRCUITS AUDIO XFORMER CEN RING LOOP __ XFORMER BOCES DETECT XFORMER e FORMER PREAMP AGC gt MUSIC IN 600 OHM OUT K2 ALL CALL AUDIO IN 24VDC POWER 4 STATIONARY GROUND SUPPLY y ad VALCOM LIMITED WARRANTY Valcom Inc warrants its products to be free from defects in materials and workmanship under conditions of normal use and service for a period of one year from the date of shipment The obligation under this warranty shall be limited to the replacement repair or refund of any such defective device within the warranty period provided that inspection by Valcom Inc indicates the validity of the claim the de
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