Comtech EF Data SNM-1001 - Manual (Page 42)

SNM-1001 Network Control Modem Theory of Operation
Rev. 1 4–11
Defaults for Continuous Mode
Modulator Defaults Demodulator Defaults
Data Rate A Data Rate A
TX Rate 19.2 kbit/s, QPSK RX Rate 19.2 kbit/s, QPSK
TX-IF Frequency 70 MHz RX-IF Frequency 70 MHz
TX-IF Output ON Descrambler ON
Mod Power Offset 0 dB Differential Decoder ON
TX Power Output -10 dBm Demodulator Type INTELSAT Open
Scrambler ON Decoder Type Viterbi
Differential Encoder ON IF Loopback OFF
Modulator Type INTELSAT Open RF Loopback OFF
Encoder Type Viterbi Sweep Center
Frequency 0 Hz
CW Mode Normal (OFF) Sweep Range 70000 Hz
BER Threshold None
Interface Defaults System Defaults
TX Clock Source TX TERRESTRIAL Time 12:00 AM
Buffer Clock Source RECEIVE SATELLITE Date 7/4/76
TX Clock Phase AUTO Baud Rate 9600
RX Clock Phase NORMAL Parity Even
Baseband Loopback OFF Address 1
Buffer Size BYPASS Operation Mode Duplex