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Valcom V-9939B
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1. OVERRIDE A SINGLE ZONE WITH V 2001A WIRING INSTRUCTIONS For Figure 4 Place a check by each step as it is completed 2 21 10 IMPORTANT Complete installation and testing of your page control unit and speakers before adding the microphone adapter Mount the V 2001A near the microphone adapter Connect Tip of the V 9939B to PAGE TIP Connect Ring of the V 9939B to PAGE RING Connect the GND of the V 2001A to terminal STATIONARY on the microphone Connect the PPCC of the V 2001A to terminal MAKE of the microphone adapter Disconnect Tip of the audio pair to the speakers on the zone being overridden from the Page Control unit and connect it to the PAGE MUSIC of the V 2001A Disconnect Ring of the audio pair to the speakers from the Page Control unit and connect it to the PAGE MUSIC of the V 2001A Connect the MUSIC INPUT of the V 2001A to one side of the output pair from the page control unit for the zone to be overridden Connect the MUSIC INPUT of the _ 11 V 2001A to the other side of the output pair from the page unit for the zone being used Connect the microphone a Connect the audio common lead shield of the microphone to the MC terminal of the V 9939B This shield should be strapped to power supply GND b Connect the other microphone audio lead to HZ if using high impedance microphone if using a low impedance balanced microphone connect lead to LZ1 and the lead
2. and ee 450 58 amp X 5 g 3 5 2 5 24 MICROPHONE 555080192 ERE Za 74 VP 624B RED SHED DD BLACK J J 2 4 GND SHIELDED N we 5 CABLE 4 VALCOM V 9939B MICROPHONE ADAPTER V 1094A 5 420 8 Sy 86 Uo t MICROPHONE 555080185 ERE Za ele VP 624B WHITE 66 BLACK JJ ae oe SHIELDED 9 CABLE 3 NOTE 400 450 420 Microphones wired differently See correct diagram above FIGURE 3 STAND ALONE PAGE SYSTEM V 9939B MICROPHONE ADAPTER 9 3 5 2 i 85 Microphone 5558509 ges Ze V 400 450 eTe RED V 2001A ON BATTERY FEED OFF a Ho OVR TONES PAGETIP U PAGE RING o amp ow 29 U CLOCK ree CLOSURE o UNA CLOSURE UNA RINGL _ o PAGE W O music Llo GND e 24VDC o MUSIC fo ns GND 2 AANA 24VDC MUSIC o 8 9 RING PAGE GND 24VDC SHIELD BLACK GREEN PY PY 22 SHIELDED 3 5 CABLE FIGURE 4
3. to LZ2 c Connect one side of the microphone push to talk switch to the V 9939B SW terminal d Connect the other side of the push to talk switch to the GND OUT terminal 22 12 Connect 24VDC filtered talk battery from the V 2001A to the power of the V 9939B 22 13 Connect Ground of the V 2001A to the power of the V 9939B 22 14 Volume adjustment a Turn the screwdriver adjustable volume control on the V 9939B about 1 2 of the way clockwise b Speak through the microphone and adjust the V 9939B screwdriver adjustment for the proper page level OPERATION Assistance in troubleshooting is available from Ci it D ribtion the factory When calling you should have a ircui VOM a test set available and call from the job The V 9939B Microphone Adapter has inputs for site Call 540 563 2000 and press 1 for both high impedance and balanced low Technical Support or visit our website at impedance microphones It also has input for a http Awww valcom com push to talk contact closure When the closure is applied a high gain pre amplifier is turned on The V 9939B is not field repairable Valcom and the output relay is activated The unit will equipment contains no user serviceable stay active until the contact closure is removed parts inside Valcom Inc maintains service The preamplifier circuit also contains a voice facilities in Roanoke VA Should repairs be limiting circuit to limit extremely
4. VALCOM Issue 10 V 9939B MICROPHONE ADAPTER INTRODUCTION These instructions provide identification installation connection operation and maintenance information for the V 9939B Microphone Adapter The V 9939B is a Microphone Adapter designed to be used with Valcom paging equipment SPECIFICATIONS Purpose e Provides microphone access to Valcom one way amplified speaker assemblies Applications e Allows local paging access to a zone of one way paging speakers e Allows paging access to stand alone systems Refer to Figure 1 for a block diagram of a typical installation Features e 600 Ohms balanced and 50 000 Ohms inputs e Works with most microphones with push to talk switches Built in microphone preamplifier Mounts at microphone location Provides a set of form C contacts May be connected to a selected zone of a multi zone paging system e Connector terminals for all connections Capacity Each V 9939B may be connected to one zone of a paging system Dimensions Weight e 8 25 H x 4 50 W x 2 35 D 20 95cm H x 11 43cm W x 5 97cm D 0 7165 0 32kg Power Requirements 21 5 to 26VDC filtered A Battery 40mA max Environment Temperature 0 to 50 C Humidity 0 to 85 non precipitating Nominal Specifications Input impedance 600 Ohms balanced 50 000 Ohms unbalanced 600 Ohms 10dBm nominal Output impedance Output level 947939 SYSTEM DESIGN Configuration There are two basic way
5. crophone if using a low impedance balanced microphone connect lead to LZ1 and the lead to LZ2 Connect one side of the microphone push to talk switch to the V 9939B SW terminal Connect the other side of the push to talk switch to the GND OUT terminal Connect 24VDC from the power supply to the 24VDC terminal of the V 1094A Connect Ground of the power supply to the Ground terminal of the V 1094A Connect 24VDC from the power supply to the 24VDC terminal or the white lead of each speaker assembly Connect Ground of the power supply to the Ground terminal or the black lead of each speaker assembly Plug in the power supply Volume adjustment ____a Set the V 1094A volume control to 5 ____b Turn the screwdriver adjustable volume control on the V 9939B about 1 2 of the way clockwise Verify all speaker controls are set at 1 2 Speak through the microphone and adjust the V 1094A for the proper system level Speak through the microphone and adjust the individual speakers to the required levels VALCOM V 9939B MICROPHONE ADAPTER V 1094A V 400 INPUT OUTPUT
6. ific applications Microphone Requirements A standard high impedance 50 000 Ohms or low impedance balanced 600 Ohms microphone may be used The microphone will be required to provide a dry contact closure push to talk for page access See Figure 3 for connections to Valcom V 400 450 or V 420 Microphones INSTALLATION These instructions cover the installation procedures for the Valcom V 9939B and any associated Valcom equipment Please consult practices for other manufacturer s equipment if any other equipment is being used Refer to Figure 2 for location of connector connections and designations The following sections contain step by step instructions for wiring the V 9939B and associated Valcom equipment Place a check on the appropriate line as the instruction is completed The instructions also include tests along the way to verify connections have been made correctly If these steps are followed exactly installation of your Valcom system will go smoothly and quickly If the results of a test do not correspond with what is shown DO NOT PROCEED UNTIL THE PROBLEM HAS BEEN CORRECTED NOTE During initial system setup it is recommended that all volume controls be set 1 2 turn clockwise Mounting e Using two 6 inch wood screws mount the unit in a convenient location near the microphone location NOTE DO NOT locate the V 9939B closer than 18 inches to a power supply or any equipment that generates electrical noi
7. loud inputs necessary attach a tag to the unit clearly stating your company name address phone number TECHNICAL ASSISTANCE and contact person and the nature of the When trouble is reported verify that power is problem being supplied to the unit and there are no Send the unit to broken connections Check voltages for proper Valcom Inc polarity on the cross connect block Repair and Return Dept 5614 Hollins Road Table 1 identifies symptoms of some possible Roanoke VA 24019 5056 problems with solutions If a spare unit is available continue to troubleshoot by substituting the spare unit for the suspected defective unit TABLE 1 TROUBLESHOOTING CHART SYMPTOM SOLUTION No relay operation in V 9939B Check for 24VDC at V 9939B across the PWR terminals Verify when microphone talk button is connection from microphone to terminals SW and GND OUT refer to the pressed Installation section Relay operation but no output Verify connections from microphone to MC and HZ or LZ terminals Turn volume control up clockwise Audio from V 9939B but not from Verify Tip and Ring connections from V 9939B to V 1094A Verify proper V 1094A voltage and polarity at 24VDC and GND terminals of V 1094A Turn up volume at V 1094A No output from V 2001A Recheck all connections per Figure 4 Make sure the V 2001A passes the power test in Figure 4 step 16 Output from V 9939B and Verify proper voltage and polarity to speakers Verify audio co
8. nnections to V 1094A or V 2001A but not speakers Verify speakers are Valcom one way amplified speaker from speakers assemblies 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 f inspection by Valcom Inc indicates the validity of the claim 2 the defect is not the result of damage misuse or negligence after the original shipment 3 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 4 5 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 incu
9. rred 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 In Canada Valcom Inc Corporation 5614 Hollins Road 35 Van Kirk Drive 11 and 12 Roanoke VA 24019 5056 Brampton Ontario L7A 1A5 Phone 540 563 2000 Phone 905 456 1072 FAX 540 362 9800 FAX 905 456 2269
10. s the V 9939B Microphone Adapter may be used 1 It may be used with a V 1094A and Valcom one way amplified speaker assemblies as a stand alone paging system When using the V 9939B for access to a stand alone paging system the following will be required 1 V 9939B Microphone Adapter 1 Microphone push to talk 1 V 1094A Booster Control Valcom one way amplified speaker assemblies type determined by job requirements e Power Supply type determined by style and quantity of speakers Consult the Valcom One Way Paging VSP for more information 2 By using the V 9939B with a V 2001A One Zone Page Control you may automatically disconnect the speakers of one zone from a multi zone page adapter and allow microphone access to that zone These configurations will allow the microphone to override the telephone access NOTE These will work only on a zone of ONE WAY paging lt gt Amplified Speakers V 9939B V 1094A Power Supply FIGURE 1 BLOCK DIAGRAM OF A TYPICAL INSTALLATION When using the V 9939B to override an existing zone of telephone accessed one way paging the following will be required e 1 V 9939B Microphone Adapter e 1 push to talk e 1 V 2001A One Zone Page Control OR e Anexisting Valcom one way page system Other configurations are possible Contact Technical Support 540 563 2000 with questions on spec
11. se Power Connections 1 Unplug power supply 2 Connect 24VDC A battery may be referred to as or talk battery from power supply to one of the PWR terminals on the V 9939B 3 Connect 24VDC Ground A ground or talk ground from power supply to the other power terminal This GND should be properly grounded to an earth ground to alleviate hum on the system Connecting Arrangements NOTE Place a check by the Arrangement being used and proceed to the Figure indicated for step by step instructions 1 Stand alone page system Proceed to Figure 3 ___2 Override an individual zone using V 2001A Proceed to Figure 4 Figure 2 Location and Connection Designations Volume Control V 9939B WIRING INSTRUCTIONS For Figure 3 Place a check by each step as it is completed 10 11 2 12 Mount the V 1094A near the V 9939B at the main frame Connect Tip of the V 9939B to Tip of the V 1094A input Connect Ring of the V 9939B to Ring of the V 1094A input Connect Tip of the V 1094A output to the Tip side of all the one way amplified speaker assemblies Connect Ring of the V 1094A output to the Ring side of all the speakers Connect the microphone Connect the audio common lead shield from the microphone to the MC terminal of the V 9939B This shield should be strapped to power supply GND Connect the other microphone audio lead to HZ if using a high impedance mi
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