Operating instructions

DMD20/DMD20 LBST Universal Satellite Modem Table of Contents

TM103 – Rev. 2.8 xv

H.1 Configuring the Modem for Drop and Insert____________________________________ H-9

H.1.1 Data Rate ____________________________________________________________ H-9

H.1.2 Operational Network Specification ________________________________________ H-10

H.1.3 Terrestrial Framing - Drop Mode/Insert Mode________________________________ H-10

H.1.3.1 Insert Terrestrial Frame Source_________________________________________ H-11

H.1.4 D&I Sample Configurations and D&I Clock Setup Options______________________ H-11

H.2 D&I Maps and Map Editing _______________________________________________ H-15

Appendix I - Efficient Drop & Insert........................................................................................... I-1

I.0 Introduction ______________________________________________________________ I-1

I.1 Prerequisite ______________________________________________________________ I-1

I.2 Efficient Drop & Insert Mode _________________________________________________ I-2

I.2.1 Calculating the Required Satellite Bandwidth___________________________________ I-3

I.2.2 Calculating the Basic Efficient D&I Rate_______________________________________ I-3

I.2.3 Calculating the Efficient D&I Rate with E1 Signaling _____________________________ I-3

I.2.4 Calculating the Efficient D&I Rate with Enhanced Asynchronous Overhead ___________ I-3

Appendix J - Ethernet Data Interface Setup ............................................................................ J-1

J.0 Configuring the modem to use the Ethernet Data Interface (Optional)________________ J-1

J.0.1 Ethernet Flow Control ___________________________________________________ J-1

J.0.1.1 Half-Duplex Flow Control _______________________________________________ J-1

J.0.1.2 Full-Duplex Flow Control _______________________________________________ J-2

J.0.2 Ethernet Daisy Chain____________________________________________________ J-2

J.0.3 Ethernet QOS Type _____________________________________________________ J-2

J.0.4 Ethernet QOS Queue ___________________________________________________ J-2

J.0.5 Setting up The DMD20/DMD20 LBST Ethernet Bridge to Operator LIke A FIFO ______ J-3

J.0.6 Packet Statistics _______________________________________________________ J-3

Glossary__________________________________________________________________ K-1