Comtech EF Data DMD-2050E User Manual
Page 20

DMD-2050E Universal Satellite Modem
Revision 2
Table of Contents
MN-DMD2050E
xii
E.4.3.3 PCM-31 ............................................................................................................................. E–6
E.4.3.4 PCM-31C .......................................................................................................................... E–7
E.4.3.5 T1-D4/T1-D4-S ................................................................................................................. E–7
E.4.3.6 T1-ESF/T1-ESF-S ............................................................................................................. E–7
E.4.4
Systems with Multiple Destinations ..................................................................................... E–7
E.4.5
Drop and Insert Mapping ...................................................................................................... E–7
E.5
Configuring the Modem for Drop and Insert ........................................................................ E–10
E.5.1
Data Rate ............................................................................................................................. E–11
E.5.2
Operational Network Specification ..................................................................................... E–12
E.5.3
Terrestrial Framing - Drop Mode/Insert Mode ................................................................... E–12
E.5.3.1 Insert Terrestrial Frame Source ....................................................................................... E–13
E.5.4
D&I Sample Configurations and D&I Clock Setup Options .............................................. E–13
E.5.4.1 D&I Clock Setup Examples ............................................................................................ E–17
E.6
D&I Maps and Map Editing ................................................................................................... E–19
E.7
Efficient Drop and Insert Introduction .................................................................................. E–23
E.8
Prerequisite ............................................................................................................................... E–24
E.9
Efficient Drop and Insert Mode .............................................................................................. E–25
E.9.1
Calculating the Required Satellite Bandwidth .................................................................... E–26
E.9.2
Calculating the Basic Efficient D&I Rate ........................................................................... E–26
E.9.3
Calculating the Efficient D&I Rate with E1 Signaling ....................................................... E–26
E.9.4
Calculating the Efficient D&I Rate with Enhanced Asynchronous Overhead ................... E–27
APPENDIX F. TCP/IP ETHERNET SETUP ........................................................................... F–1
F.1
Introduction ................................................................................................................................. F–1
F.2
TCP/IP Network Configuration ................................................................................................ F–1
F.3
Network Configuration Summary ............................................................................................. F–3
F.4
Ethernet Test ............................................................................................................................... F–4
F.4.1
Connecting the Modem Ethernet Cable to a Network Link .................................................. F–4
F.4.2
Connecting the Modem Ethernet Cable Directly to a Computer (without a Network) ......... F–4
F.5
Testing the Ethernet Connection using the Ping Program (Optional) ................................... F–7
APPENDIX G. AUPC OPERATION ...................................................................................... G–1
G.1 Automatic Uplink Power Control (AUPC Operation) ........................................................... G–1
G.1.1
Radyne AUPC ...................................................................................................................... G–1
G.1.2
EF AUPC ............................................................................................................................. G–2
G.1.3
Near Side AUPC .................................................................................................................. G–2
G.1.4
EBEM AUPC ....................................................................................................................... G–3