Operational Case Examples; Case 1: Idr 8.448 Mbps, 3/4 Rate Viterbi - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
I.2.1 Operational Case Examples
IMPORTANT
Make sure to set the data rate to 512 Kbps initially. This data rate is applicable to all modes of
operation.
I.2.1.1

Case 1: IDR 8.448 Mbps, 3/4 Rate Viterbi

Start with the Data Rate = 512 Kbps
Modulator:
Method 1 -
Under Interface Menu:
Set Interface type
Set Tx clock selection
Set mode to IDR
Under Mod Data Menu:
Under Mod IF Menu:
Method 2 -
Under Interface Menu:
Set Interface type
Set Tx clock selection
Set Mod strap code to: 128
Under Mod IF Menu:
MN-DMD2050E Revision 2
Set code rate to 3/4 VIT
Set data rate for 8448000
Set desired Tx frequency and power level
Turn IF ON
Strap Codes
I–7