Comtech EF Data DMDVR20 LBST Rev 1.1 - Manual (Page 109)

Appendix D DMDVR20 LBST Satellite Modem
D-6 TM136 – Rev. 1.1
Method 2 -
Under Interface Menu:
Set Interface type
Set Buff clock selection
Set Buffer Size
Set Demod strap code to: 120
Under Demod IF Menu: Set desired Rx frequency
Case 2: Closed Network, 3/4 Rate Viterbi, IBS Overhead
Starting with the Data Rate = 512 Kbps
Modulator:
Method 1 -
Under Interface Menu:
Set Interface type
Set Tx clock selection
Under Mod Data Menu:
Set code rate to 3/4 VIT
Set Framing for 1/15
Under Mod IF Menu: Set desired Tx frequency and power level
Turn IF ON
Method 2 -
Under
Interface Menu:
Set Interface type
Set Tx clock selection
Set Mod strap code to: 101
Under Mod IF Menu: Set desired Tx frequency and power level
Turn IF on