Table of Contents
Revision 9
DMD1050 Satellite Modem Board
MN-DMD1050
3.3.5
Connecting the Terminal .......................................................................................................................... 3–7
3.3.6
Terminal Screens ...................................................................................................................................... 3–8
3.4
Modem Remote Communications (RLLP) ............................................................................................. 3–8
3.4.1
RLLP Protocol Structure ........................................................................................................................... 3–8
3.5
Modem Setup for Ethernet M&C (J10) ................................................................................................ 3–8
3.6
M&C Default/Reset Plug Settings (JP5 & JP6) ...................................................................................... 3–9
3.7
Ethernet Data Interface – (J11)............................................................................................................ 3–9
3.8
Internal Clock ................................................................................................................................... 3–13
3.9
Loopback Features (Terrestrial & IF) .................................................................................................. 3–14
3.10
DMD1050 Clocking Options ............................................................................................................... 3–17
3.10.1
TX Clock Options ................................................................................................................................ 3–17
3.10.2
RX Buffer Clock Options ..................................................................................................................... 3–19
3.10.3
RX SAT Clock ...................................................................................................................................... 3–19
3.10.4
SCTE: Serial Clock Transmit External .................................................................................................. 3–19
3.10.5
SCT: Serial Clock Transmit .................................................................................................................. 3–19
3.11
Ethernet Data Interface .................................................................................................................... 3–20
3.12
Reed-Solomon Codec ........................................................................................................................ 3–20
3.12.1
Reed-Solomon Operation in the DMD1050 .......................................................................................3–20
3.12.2
Reed-Solomon Code Rate .................................................................................................................. 3–20
3.12.3
Interleaving ........................................................................................................................................ 3–21
3.13
DMD1050 Automatic Uplink Power Control (AUPC Operation) .......................................................... 3–22
3.13.1
Radyne AUPC ..................................................................................................................................... 3–22
3.13.2
EF AUPC ............................................................................................................................................. 3–23
3.13.3
Near Side AUPC .................................................................................................................................. 3–23
3.14
Asynchronous Overhead Operation (J1) ............................................................................................ 3–25
3.15
Standard IBS ES to ES Mode .............................................................................................................. 3–27
3.16
Enhanced Asynchronous Mode (Radyne Proprietary) ........................................................................ 3–28
3.17
Satellite Control Channel (SCC) - J1.................................................................................................... 3–28
3.17.1
SCC Framing Structure ....................................................................................................................... 3–29
3.17.2
Aggregate Data Rate .......................................................................................................................... 3–30
3.17.3
Overhead Rate Comparison ............................................................................................................... 3–31
3.17.4
Actual Overhead Rate Calculation ..................................................................................................... 3–32
3.17.5
SCC Overhead Channel Setup ............................................................................................................ 3–33
3.18
DMD1050 ID Codes (Feature Upgrades) ............................................................................................ 3–35
3.19
Strap Codes ...................................................................................................................................... 3–35
iv
Содержание Radyne DMD1050
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