Configuring The Dmd20 For Drop And Insert - Radyne DMD20 Installation And Operation Manual

User Interfaces
Demodulator:
Method 1 -
Set mode to: Closed Net
Under Demod IF Menu: Set desired Rx frequency
Under Demod data Menu:
Under Interface Menu:
Method 2 -
Set Demod strap code to: 101
Under Demod IF Menu: Set desired Rx frequency
Under Interface Menu:
Case 4: Loop Timing Example
Method 1 -
Set mode to IBS
Under Interface Menu:
Under Tx Setup Menu:
Method 2 -
Set mode to Closed Net
Under Interface Menu:
Under Tx Setup Menu:

4.6 Configuring the DMD20 for Drop and Insert

Several dependencies exist when configuring the modem for Drop and Insert (D&I). The
following paragraphs explain these dependencies and provide the user with the information
required to ensure smooth transition into D&I and to minimize the potential impact of these
dependencies.
4-48
Set code rate to 3/4 VIT
Set Framing for 1/15
Set Interface type
Set Buff clock selection
Set Buffer Size
Set Interface type
Set Buff clock selection
Set Buffer Size
Set INTF to RS-422
Set SCT Source to SCR
Set Tx Clock to SCTE
Set INTF to RS-422
Set SCT Source to SCR
Set Tx Clock to SCTE
DMD20/DMD20 LBST Universal Satellite Modem
TM103 - Rev. 2.5