Case 3: Closed Network, 3/4 Rate Viterbi, Ibs Overhead - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
Method 2 -
Set Mod strap code to: 120
Demodulator:
Method 1 -
Under Interface Menu:
Set Framing to 1/15:
Set mode to IBS:
Under Demod Data Menu:
Method 2 -
Under Interface Menu:
Set Demod strap code to: 120
E.3.3 Case 3: Closed Network, 3/4 Rate Viterbi, IBS Overhead
Starting with the Data Rate = 512 Kbps
Modulator:
Method 1 -
Under Interface Menu:
MN-DMD50– Revision 3
Under Interface Menu:
Under Mod IF Menu:
Turn IF on
Under Demod IF Menu: Set desired Rx frequency
Set code rate to 3/4 VIT
Under Interface Menu:
Set Interface type
Under Demod IF Menu: Set desired Rx frequency
Set Interface type
Set Tx clock selection
Turn IF ON
Set Interface type
Set Tx clock selection
Set desired Tx frequency and power level
Set Interface type
Set Buff clock selection
Set Buffer Size
Set data rate for 1544000
Set Interface type
Set Buff clock selection
Set Buffer Size
Set Buff clock selection
Set Buffer Size
Strap Codes
E–8