Paradyne DMD15L operation manual Case 3 Closed Network, 3/4 Rate Viterbi, IBS Overhead

DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces

Set Demod strap code to: 120

Under Demod IF menu: Set desired Rx frequency

Under Interface Menu:

Set Interface type

Set Buff clock selection

Set Buffer Size

Case 3: Closed Network, 3/4 Rate Viterbi, IBS Overhead

Starting with the Data Rate = 512 Kbps

Modulator:

Method 1 -

Set mode to IDR:

Under Mod Data menu:

Set code rate to 3/4 VIT

Set Framing for 1/15

Under Interface Menu:

Set Interface type

Set Tx clock selection

Under Mod IF menu: Set desired Tx frequency and power level

Turn IF ON

Method 2 -

Set Mod strap code to: 101

Under Interface Menu:

Set Interface type

Set Tx clock selection

Under Mod IF menu: Set desired Tx frequency and power level

Turn IF on

Demodulator:

Method 1 -

Set mode to: Closed Net

Under Demod IF menu: Set desired Rx frequency

Under Demod data menu:

Set code rate to 3/4 VIT

Set Framing for 1/15

Under Interface menu:

Set Interface type

Set Buff clock selection

Set Buffer Size

Method 2 -

Set Demod strap code to: 101

Under Demod IF menu: Set desired Rx frequency

Under Interface Menu:

Set Interface type

Set Buff clock selection

Set Buffer Size

Case 4: Loop Timing Example

Method 1 -

Set mode to IBS

TM051 - Rev. 5.8 4-33