The PTA-100 POTS Telephone Adapteris a keypad control and display unit for airborne telephone system applications. It connects to a telephone system transceiver by a two-wire plain old telephone service (POTS) interface. The PTA12-100 can be connected to an aircraft audio controller or directly to an aviation headset or handset.
The PTA12-100's microcontroller controls the following functions: speech audio circuits, hook switch, ring indication, flash, hold, redial, serial data communications, backlighting, display, speed dial, Globalstar™ satcom status, DTMF tone generation and ringer audio generate. The speech audio circuits include a mic input amplifier and a phones output amplifier with front panel volume control.
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规格：
Weight:
0.80 lb (0.36 kg)
Dimensions:
1.52 x 4.17 x 5.77 in (38.6 x 105.9 x 146.6 mm)
Mounting:
Dzus Mounting (four fasteners)
Display:
16 5x7 pixel characters with green polarized filter
Power Supply:
Power Input Voltage with reverse, over voltage and over current
protection
Input Voltage:
27.5 VDC (nominal), 30.3 (maximum), 18.0 (emergency)
Input Current:
0.2A @ 27.5 VDC, maximum
Lighting:
1.0 mA @ 27.5 VDC
1.0 mA @ 5.0 VDC
Connectors:
one male filtered 25-pin D-sub with positronics V5 locking tabs
Temperature:
-20°C to 55°C (operating)
-55°C to 85°C (survival)
Altitude:
50,000 ft, maximum
Humidity:
> 95%
Vibration:
DO-160D Cat. [(SBM)(UF)]
特征：
Two-wire POTS port achieves the interface to the satcom system transceiver
Serial port allows for data communications to satcom systems
Front panel keypad has backlighting provided
LED dot matrix character display with brightness control
Speed dial allows numbers to be stored and recalled from memory
Indication of Globalstar? satcom signal strength and system availability status provided by LED lit dead-front text on the front panel
Compact Dzus mount dialer/adapter telephone interface with full function Touchtone keypad
The PTA12-100 is designed to meet standard North American PSTN requirements, but nor recommended or approved for landline applications.
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