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Technical Specifications
Typical Eb/No (Viterbi)
-5
at BER = 10
-7
at BER = 10
Typical Eb/No (Trellis 8PSK)
-5
at BER = 10
-7
at BER = 10
Typical Eb/No, @ 64 Kbps
Sequential (Optional)
-5
at BER = 10
-7
at BER = 10
Note: Eb/No typical values include effect of using differential encoding and V.35
scrambler.
Descrambler:
Data Buffering:
Terrestrial Interfaces:
Alarms
Summary Alarms:
7.4 Front Panel LED Indicators
Unit:
Demodulator:
Modulator:
7-2
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
Rate 1/2
Rate 3/4
5.1
6.2
6.2
7.7
Rate 1/2
7.2
8.9
Rate 1/2
Rate 3/4
4.0
5.0
4.9
5.9
Intelsat V.35, mode selectable
8 bits to 262,144 bits, in 8-bit steps
RS-449/-422, RS-232, V.35, U.E1, B.T1.B8ZS, B.E1, or
B.T1.AMI
Two separate form-C contacts available at the rear
panel. Each provides a summary alarm of fault
conditions.
Power
Alarm
Event
Remote
Signal Lock
Major Alarm
Minor Alarm
Test Mode
Transmit On
Major Alarm
Minor Alarm
Test Mode
Rate 7/8
7.5
8.6
Rate 7/8
6.1
7.4
TM065 – Rev. 3.3
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