Nat PTA12-000, Installation And Operation Manual

Page 1: ...PTA12 000 POTS Telephone Adapter Manual INSTALLATION AND OPERATION MANUAL REV 4 00 November 12 2003 Northern Airborne Technology Ltd 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Copyright 2003 by Northern Airborne Technology ...

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Page 3: ...riodically NAT will release manual amendments In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment record AMENDMENT RECORD Amendment Number Amendment Date Section s Changed Date Entered Entered By Insert any Amendment Instruction sheets after this page ...

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Page 5: ...ations 1 1 1 4 2 Physical Specifications 1 3 1 4 3 Environmental Specifications 1 4 1 5 Accessories Required But Not Supplied 1 4 2 0 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 3 Installation Procedures 2 1 2 3 1 Warnings 2 1 2 3 2 Cautions 2 1 2 3 3 Cabling and Wiring 2 2 2 3 4 Internal Adjustments 2 2 2 3 5 Post Installation Checks 2 3 2 4 Continued Airworthiness 2 3 2 ...

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Page 7: ...circuits include a mic input amplifier and a phones output amplifier with front panel volume control HOOK switch control and indication is provided on the front Ring indication is also provided on the front panel with a flashing green LED A FLASH key is provided on the front panel for use with call transfer and call waiting A HOLD key on the front panel mutes all audio to and from the headset A RE...

Page 8: ... Audio Ringer audio present based on ringing cadence Level 2 5 Vrms typ 3 6 Vrms max into 600 Ohms Circuitry Type Single Ended Ringer Drive Pulled to Power Ground when ringer is active based on ringing cadence Open collector 250 mA max sink current 28 Vdc Over current and over voltage protected Input Output Signals POTS 2 wire Reverse polarity protected and current limited On hook Condition DC vol...

Page 9: ...encies used 0 9 Frequency tolerance 1 5 DTMF TX on tip ring DTMF level potentiometer set to max High group 2 2 dBm 1 0 dB 2 2 dBm 2 5 dB short time high operating temperature Low group 4 2 dBm 1 0 dB 4 2 dBm 2 5 dB short time high operating temperature Miscellaneous HOLD TX mic muting 60 dB from rated output RX phones muting 85 dB from rated output Sidetone muting 90 dB from rated output REDIAL Ty...

Page 10: ... 95 Altitude 50 000 ft Compliance DO 160D Env Cat A1 D1 BAB SBM UF XXXXXXZBABB UTX MXXXX 1 5 Accessories Required But Not Supplied Installation kit p n PTA12 IKC crimp or PTA12 IKS solder is required to complete the installation They consist of the following PTA12 IKC 25 pin D min Female Crimp Kit NAT Part No D25SV IKC Quantity Description NAT Part 1 D min 25 Socket housing 20 21 025 25 MS Crimp S...

Page 11: ...ation Procedures 2 3 1 Warnings Do not bundle any lines from this unit with transmitter coax lines Do not bundle any audio or DC power lines from this unit with 400 Hz synchro wiring or AC power lines Do not position this unit or wiring from this unit next to any device with a strong alternating magnetic field such as an inverter or significant audio interference will result 2 3 2 Cautions In all ...

Page 12: ...les in the side of the unit 2 3 4 1 Internal Trimpots Rotating the trimpots cw will increase the level of the related output and ccw will decrease it LTS adjusts keypad backlighting level from off to max DTMF adjusts DTMF level on POTS interface S T adjusts sidetone level RX adjusts receive level on phones output MIC adjusts mic level on POTS interface RGR adjusts ringer level on both ringer audio...

Page 13: ...o system ensure that the PTA12 is properly selected when performing audio checks a Initiate a call to a valid telephone number and verify the operation for HOOK HOLD DTMF keys 0 9 and VOL Re initiate the call using REDIAL Test the FLASH function where applicable while in the off hook state active b Place the PTA12 in the on hook inactive state and have another party call the line connected to the ...

Page 14: ...ne Adapter Interconnect PTA12 000 405 0 1 01 POTS Telephone Adapter Connector Map PTA12 000 905 0 1 00 POTS Telephone Adapter Faceplate PTA12 000 922 0 1 00 POTS Telephone Adapter Mech Installation Section 2 0 ends after these Drawings Page 2 4 Nov 12 2003 ENG FORM 805 0106 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD ...

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Page 23: ...3 Operation Specifics 3 3 1 Keypad Controls The keypad controls are silicone rubber tactile push buttons backlit by amber LEDs and are used to manage all the operator functions of the PTA12 3 3 1 1 Number and Symbol Keys The number 0 9 and symbol buttons on the keypad are used to dial the required telephone number by generating the corresponding DTMF tone on the POTS output As each key is pressed ...

Page 24: ...all is on hold and switches off when the call audio is returned to active status 3 3 1 4 FLASH The FLASH button is typically used in a system where call waiting and call transfer are supported When the unit is active off hook the FLASH button is used to interrupt a call and allow the user to deal with a second call 3 3 1 5 REDIAL The REDIAL button recalls and dials the last number dialed up to 32 ...