Nat PTA12-000 Installation And Operation Manual
Also see for PTA12-000: Installation and operation manual
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PTA12-000 POTS Telephone AdapterSM55-1 Installation and Operation ManualSection 1 Rev: 1.00 Issue 4 Page 1-1ENG-FORM: 800-0115.DOTCONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.Section 1 Description1.1 IntroductionInformation in this section consists of product description, design features and specifications for thePTA12-000 POTS Telephone Adapter. All derivative product information shall be contained in theapplicable manual supplement, which may be obtained from Northern Airborne Technology Ltd. asrequired.Review all notes, warnings and cautions.1.2 Product DescriptionThe PTA12-000 POTS Telephone Adapter is a keypad control/headset adapter unit for airbornetelephone system applications. The PTA12-000 connects to a telephone system transceiver by a two-wirePOTS (Plain Old Telephone Service) interface. The PTA12-000 can be connected to the aircraft audiocontroller(s) or directly to an aviation headset/handset.1.3 Design FeaturesThe PTA12-000 POTS Telephone Adapter is compact Dzus mounted POTS telephone interface with akeypad input. The functions of the PTA12-000 include ring detect, ringer audio generate, DTMF tonegeneration, speech audio circuits, hook-switch, and flash. The speech circuits include a mic inputamplifier and a phones output amplifier with front panel volume control. HOOK-switch control andindication is provided on the front. Ring indication is also provided on the front panel with a flashing greenLED. A FLASH key is provided on the front panel for use with call transfer and call waiting. A HOLD keyon the front panel mutes all audio to and from the headset. A REDIAL key on the front panel automaticallyredials the last number entered. The interface to the airborne telephone system transceiver is achievedby a two-wire POTS port. The front panel keypad is illuminated for night operations.Note: The PTA12-000 is designed to meet standard North American PSTN requirements, but it is notrecommended or approved for land line applications.1.4 Specifications1.4.1 Electrical SpecificationsPower SupplyVoltage: Normal +27.5 Vdc nom (with reverse & over voltage/current protection)Minimum +22.0 VdcMaximum +30.3 VdcEmergency +18.0 VdcInput Current 0.30 Amps max @ +27.5 Vdc.Backlighting 1.0 mA max @ +27.5 Vdc0.1 mA max @ +5.0 Vdc |
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