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SPECIFICATIONS OF NBDP TERMINAL DP-6
1. COMMUNICATIONS
(1) Communication Mode ARQ, FEC
(2) Communication Protocol ITU-R Rec. M.625-3, M.490, M.491-1
(3) ID Code 4, 5 and 9 digits
(4) Line Code 4B/3Y fixed mark (International)
(5) Modulation AFSK
(6) Tone Frequency 1615/1785 Hz, 1415/1585Hz,
(mark/space) 1815/1985 Hz (±0.5Hz)
(7) Tone Frequency
Tracking Range 80Hz
(8) Line Input/Output -30 dBm to +10 dBm, 600 ohms balanced
2. COMMUNICATION FEATURES
Automatic transmission and receiving (maximum 10 stations)
Scramble operation (maximum 5 different code sets)
Frequency scanning (maximum 10 groups, 20 channels/group)
Morse code conversion (transmit only)
Storage for up to 100 user channels
Applicable to MARITEX.
3. TERMINAL UNIT (IB-581)
(1) Display Monochrome 9.5" LCD
(2) Microprocessor ALI M6117, 33 MHz
(3) Memory Flash EPROM: 2 MB, DRAM: 2MB
(4) Disk Drive 720kB or 1.44kB 3.5" FDD
(5) Keyboard enhanced 82-key keyboard emulates the IBM PS/2 keyboard and
includes embedded numeric and cursor control overlay and dedicated
cursor control keys.
4. OTHER FEATURES
Text editing screen
Floppy disk management
Nav data input and display
Remote control of transceiver
Printing
Self-test