Valcom v-9939a

VSP V 9939A 8 ADAPTOR instructions provide identification installation operation and maintenance information the V 9939A Microphone Adaptor V 9939A is a Microphone Adaptor designed to used with Valcom paging equipment Provides microphone access to Valcom one way speaker assemblies Allows local paging access to a zone of one way speakers Allows paging access to stand alone systems to Figure 1 for a block diagram of a typical Works with most microphones with push to talk ohms balanced and 50,000 ohm inputs 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 paging system Screw terminals for all connections V 9939A may be connected to one zone of a system x 4.7 x 2.1 D cm H x 11.94 cm W x 5.33 cm D 32kg Requirements to Vdc filtered A Battery 40 ma max to 50 Degrees C to 85 non precipitating Specifications impedance impedance level ohms balanced ohms unbalanced ohms nominal DESIGN are two basic ways the V 9939A Microphone may be used may be used with a V 1094A and Valcom amplified speaker assemblies as a alone paging system using the V 9939A for access to a stand alone system the following will be required V 9939A Microphone Adaptor push to talk V 1094A Booster Control Manuals Online Valcom one way amplified speaker assemblies determined by job requirements Power Supply type determined by style and of speakers Consult the Valcom Paging VSP for more information using the V 9939A with a V 1101A One One way Page Adaptor or a V 9937 Zone Page Port Adaptor you may disconnect the speakers of one from a multi zone page adaptor and microphone access to that zone configurations will allow the to override the telephone These will work only on a zone of paging cid 26 cid 10 cid 12 cid 30 cid 18 cid 11 cid 16 cid 21 cid 18 cid 11 cid 11 cid 18 cid 12 cid 23 using the V 9939A to override an existing zone telephone accessed one way paging the following be required V 9939A Microphone Adaptor push to talk V 1101A One Zone Page Adaptor V 9937 One Zone Page Port Adaptor An existing Valcom one way page system configurations are possible Contact Technical 540 427 3900 with questions on specific Requirements standard high impedance 50,000 ohms or low balanced 600 ohms microphone may be The microphone will be required to provide a contact closure push to talk for page access instructions cover the installation procedures the Valcom V 9939A and any associated Valcom Please consult practices for other equipment if any other equipment is used Refer to Figure 2 for location of screw Refer to Figure 3 for screw connection following sections contain step by step for wiring the V 9939A and associated equipment Each instruction is preceded by a Place a check on the appropriate line as the is completed The instructions also tests along the way to verify connections have made correctly If these steps are followed installation of your Valcom system will go and quickly If the results of a test do not with what is shown DO NOT PROCEED THE PROBLEM HAS BEEN During initial system setup it is that all volume controls be set 1 2 turn Using two 6 3 4 wood screws mount the unit a convenient location near the microphone DO NOT locate the V 9939A closer than to a power supply or any equipment that electrical noise Connections 1 Unplug power supply 2 Connect Vdc A battery may be to as or talk battery from supply to one of the PWR terminals the V 9939A Vdc Ground A ground or talk ground from power supply to other power terminal This GND should properly grounded to an earth ground to hum on the system Manuals Online Arrangements Place a check by the Arrangement being used proceed to the Figure indicated for step by step Stand alone page system Proceed to Figure Override an individual zone using a Proceed to Figure 5 Override an individual zone using a V 9937 Proceed to Figure 6 2 Location of Screw and Volume MC HZ B RING LZ1SW GND TIP 3 Screw Connection INSTRUCTIONS For Figure 4 a check by each step as it is completed Mount the V 1094A near the V 9939A or at the main frame Tip of the V 9939A to Tip of the input Ring of the V 9939A to Ring of V 1094A input Tip of the V 1094A output to the side of all the one way amplified assemblies Ring of the V 1094A output to the side of all the speakers the microphone the audio common lead shield the microphone to the MC terminal the V 9939A This shield should be to power supply GND the other microphone audio lead HZ if using a high impedance if using a low impedance microphone connect lead to and the lead to LZ2 one side of the microphone push talk switch to switch to the V 9939A terminal the other side of the push to talk to the GND OUT terminal Vdc from the power supply to Vdc terminal of the V 1094A Ground of the power supply to Ground terminal of the V 1094A Vdc from the power supply to Vdc terminal or the white lead of speaker assembly Connect Ground of the power supply to the terminal or the black lead of each assembly Plug in the power supply Volume adjustment the V 1094A volume control to 5 a b Turn the screwdriver adjustable volume on the V 9939A about 1 2 of the clockwise c Verify all speaker controls are set at 1 2 d Speak through the microphone and adjust V 1094A for the proper system level through the microphone and adjust individual speakers to the required e Manuals Online STRAP AG BB BG POWER SUPPLY STRAP MC HZ IN 24 R OUT LZ1 SW GND TIP IN OUT 4 STAND ALONE PAGE SYSTEM ONE ZONE A PAGE UNIT MC HZ LZ1 SW GND TIP AG BB BG POWER SUPPLY 5 OVERRIDE A SINGLE ZONE WITH A V 1101A Manuals Online INSTRUCTIONS For Figure 5 a check by each step as it is completed 1 Complete installation and of your page control unit and before adding the microphone 2 Mount the V 1101A near the microphone and connect it to a terminated 25 cable 3 Connect Tip of the V 9939A to Tip of the V 1101A 4 Connect Ring of the V 9939A to Ring of the V 1101A 5 Add a jumper on