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E42 DIGITAL INFORMATION ENCRYPTION MODULE

E42 module is used for cryptographic protection of voice information and data in aviation radiocommunication complexes within airborne terminal like ATM-2E.

2. BASIC TECHNICAL CHARACTERISTICS
  • Device bit synchronization and validity enhancement of message transmission over communication channel are provided by means of terminal.
  • Information processing rate is up to 5 Mbit/s.
  • Interface - serial, like TMS.
  • Line impedance - 3 kOhm.
  • Input level: log.1 - 2,4 to 5 V, log.0 - 0 to 0,35 V.
  • Key system:

Entry and storage of 1 to 4 changeable session keys.
Electronic key carrier - like DATA KEY element (1634DK6).
Key entry - using UA256-E small-sized portable device
  • Power supply : 27V DC power line.
  • Power consumption - to 5,5 W.
  • Operation parameters:

Continuous twenty-four-hour unattended operation (in the room without attending personnel).
Operating time to failure - no less than 30 000 hours.
Lifetime - 25 years.
  • Ambient conditions:

Operating temperature - minus 40C to +70C.
Low atmospheric pressure - to 5 mm of mercury column.
Sinusoidal vibration with 10 to 2000 Hz frequency.
Humidity - to 98% at +35C.

  • Construction parameters:

Overall dimensions - 172x233,35x34,6 mm.
Weight - 1,7 kg.