The PTA12 utilizes the 2 wire POTS (Plain Old Telephone Service) interface from the telephone and provides complete telecom control and standard DTMF (Dual Tone Multi Frequency) dialing capabilities. The interface allows the flight crew to access the telephone system through the aircrafts audio system, maintaining full headset operation. A handset can also be used in parallel to provide satcom system access for the cabin.
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规格：
Weight:
0.8 lb
Dimensions:
5.77 x 4.17 x 1.52 in
Compliance:
DO-160D Env. Cat. A1/D1-BAB[(SBM)(UF)]XXXXXXZBABB[UUX]MXXXX
Compatibility:
Many airborne telephone systems including Globalstar, Iridium, Inmarsat, Thuraya and airborne cellular
特征：
Adjustable NVIS B filtered LED backlighting
POTS interface (plain old telephone service)
Elastomeric keypad with flash, hold, redial
Speed dial allows numbers to be stored and recalled from memory
Solid chassis design with an aluminum bezel
Precision crystal controlled tones
Artificial sidetone
Ring detect
Alphanumeric phonebook
LNK and SYS status
Reverse polarity protection
RF filtering
Solid state switching
