D&I Sample Configurations And D&I Clock Setup Options - Radyne DMD20 Installation And Operation Manual

Universal satellite modem
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DMD20/20LBST Universal Satellite Modem
H.2.4 D&I Sample Configurations and D&I Clock Setup Options
The following are several examples of how to configure the modem for D&I. Also, refer to Figures
3-14 through 3-17 for the D&I Clocking Setup Options Available.
Example 1:
Under Interface:
Under Modulator:
Under Modulator:
Under Interface:
Under Modulator:
Under Demodulator:
Under Interface:
Under RX Setup:
Under Rx D&I:
Under Demodulator:
Under Demod IF:
MN-DMD20-20LBST Revision 14
Drop 512 Kbps from a T1 trunk, 3/4 Rate Viterbi
Insert 512 Kbps into a T1 trunk, 3/4 Rate Viterbi
Drop 512 Kbps from a T1 trunk, 3/4 Rate Viterbi
Under TX Setup:
Set Tx Type according to your hardware configuration (example: G703BT1B8ZS)
Set Tx Clock = SCTE
Under Tx D&I:
Set Drop Mode = T1-D4
Use SATCh TS edit capability to define desired mapping of
Satellite Channels to drop Terrestrial Slots
Use Map Copy to copy Tx Edit to Tx Active
Under Mod Data:
Set Data Rate = 512000
Set Conv Enc = 3/4 Rate VIT
Set Network Spec. = Drop & Insert
Under TX Setup:
Set Tx Type according to your hardware configuration (example: G703BT1B8ZS)
Set Tx Clock = SCTE
Under Tx D&I:
Set Drop Mode = T1-D4
Use SATCh TS edit capability to define desired mapping of
Satellite Channels to drop Terrestrial Slots
Use Map Copy to copy Tx Edit to Tx Active
Under Mod IF:
Set Frequency to desired value
Turn IF Output Power On
Under Demod Data:
Set Data Rate = 512000
Set Conv Enc = 3/4 Rate VIT
Set Rx Type according to your hardware configuration
Set Buff Size to desired depth
Set Insert Mode = T1-D4
Set T1 E1 Frm Src = External
Use SATCh TS edit capability to define proper mapping of
Satellite Channels to insert Terrestrial Slots
Use Map Copy to copy Rx Edit to Rx Active
Set Frequency to desired value
Drop and Insert (D&I)
H–10

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