Instruction/ maintenance manual of the product V-9927A Valcom
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VSP-9927A V-9927A DIGI TAL MULTI-TONE GENER ATOR SPECIFIC ATIONS Power Requirements: -24VDC “B” Battery at 100mA Operating Environment: Temperature: 0 to +50° C Humidity: 0 to 85% (non-condensing) Nominal Input/Output Specifications: Input Impedance: 600 Ohms Output Impedance: Less than 4 Ohms Min.
Code Call Operation When the V -9927 A is connected to the V -9923 A code call unit, the V -9927 A will respond to the contact closure inputs and issue single chimes in response (see Figure 2). At the beginning of a Code Call sequence, the INPUT source will be faded down about 6dB.
P2 P3 OUT IN BURST CONT P4 P1 UNMUTE MUTE P5 TONE LVL POWER ON JP1 1 2 3 4 5 6 7 8 COM SIGNAL IN COM SIGNAL OUT GND - 24V TONES Connect COM to Desired Tone Relay Contact Signal In (Optional) Power Sup.
TECHNICAL ASSIS TANCE When trouble is reported, verify the unit in question is turned on (the green ON LED should be observed) and all connections are secure. Assistance in troubleshooting is available from the factor y . When calling, you should have a VOM available and be calling from the job site.
An important point after buying a device Valcom V-9927A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Valcom V-9927A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Valcom V-9927A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Valcom V-9927A you will learn all the available features of the product, as well as information on its operation. The information that you get Valcom V-9927A will certainly help you make a decision on the purchase.
If you already are a holder of Valcom V-9927A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Valcom V-9927A.
However, one of the most important roles played by the user manual is to help in solving problems with Valcom V-9927A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Valcom V-9927A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center