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 3 Rev: 1.00 Issue 4 Page 3-1Section 3 Operation3.1 IntroductionInformation in this section consists of functional and operational procedures for the PTA12-000 POTSTelephone Adapter.3.2 General InformationThe PTA12-000 POTS Telephone Adapter is a keypad control unit for airborne telephone systemapplications. The PTA12 connects to a telephone system transceiver by a two wire POTS (Plain OldTelephone Service) interface.Note: Although the PTA12 is designed to meet standard North American PSTN requirements, it is notrecommended or approved for land line applications.3.3 Controls and Indicators3.3.1 Keypad ControlsThe keypad controls are silicone rubber, tactile push-buttons, backlit by amber LEDs, and are used tomanage all the operator functions of the PTA12.3.3.1.1 Number and Symbol ButtonsThe number (0 - 9) and symbol (½, #) buttons on the keypad are used to ‘dial’ the required telephonenumber by generating the corresponding DTMF tone on the POTS output. As each button is pressed,audible confirmation is provided on the sidetone of the headset output.3.3.1.2 HOOKPress the HOOK button to initiate or receive a call. This corresponds to lifting the handset of a telephone‘off the hook’. Each time the HOOK button is pressed, the hook-switch toggles on / off.The ‘hook status / ringer active’ annunciator is a green LED above the HOOK button. The LED is offwhen the unit is inactive (‘on-hook’), and will illuminate continuously when the unit is active (‘off-hook’). Ifthe unit is inactive (‘on-hook’), this LED also acts as a ‘Ringer Active’ annunciator by flashing when anincoming call activates the audible ringing tone in the headset. If the unit is already in use (‘off-hook’), thenew caller will generally hear a ‘busy’ signal (depending on the telephone system transceiver used).ENG-FORM: 806-0114.DOTCONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. |
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