Comtech EF Data CDM-625 Installation And Operation Manual page 12

Advanced satellite modem 18 kbps – 25 mbps for firmware version 1.1.5 or higher
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CDM-625 Advanced Satellite Modem
Table of Contents
6.5.4.3.6  Config | BUC (Block Up Converter) ........................................................................ 6-19 
6.5.4.3.7  Config | LNB (Low Noise Block Down Converter) ................................................. 6-20 
6.5.4.4  Status Pages .................................................................................................................... 6-21 
6.5.4.4.1  Status | Modem Status Page ...................................................................................... 6-21 
6.5.4.4.2  Status | Modem Logs Page ........................................................................................ 6-22 
6.5.4.4.3  Status | Firmware Info Page ...................................................................................... 6-23 
6.5.4.4.4  Status | Ethernet Statistics Page ................................................................................ 6-24 
6.5.4.5  ODU (Outdoor Unit) pages ............................................................................................. 6-25 
6.5.4.5.1  ODU | Enable Page ................................................................................................... 6-25 
6.5.4.5.2  ODU | Config Page ................................................................................................... 6-26 
6.5.4.5.2.1  ODU | Config Page (CSAT-5060) ..................................................................... 6-26 
6.5.4.5.2.2  ODU | Config Page (KST-2000A/B) ................................................................. 6-28 
6.5.4.5.3  ODU | Status Page ..................................................................................................... 6-29 
6.5.4.5.3.1  ODU | Status Page (CSAT-5060) ...................................................................... 6-29 
6.5.4.5.3.2  ODU | Status Page (KST-2000A/B)................................................................... 6-30 
6.5.4.5.4  ODU | Utilities Page.................................................................................................. 6-31 
6.5.4.5.4.1  ODU | Utilities Page (CSAT-5060) ................................................................... 6-31 
6.5.4.5.4.2  ODU | Utilities Page (KST-2000A/B) ............................................................... 6-33 
CHAPTER 7.  FORWARD ERROR CORRECTION OPTIONS ............................................. 7-1 
7.1 
Introduction ................................................................................................................................. 7-1 
7.2 
Viterbi .......................................................................................................................................... 7-1 
7.3 
Reed-Solomon Outer Codec ....................................................................................................... 7-2 
7.3.1 
Closed Network Modes ......................................................................................................... 7-2 
7.3.2 
Open Network Modes ........................................................................................................... 7-3 
7.4 
Trellis Coding (FAST Option) ................................................................................................... 7-3 
7.5 
Turbo Product Codec (Hardware Option) ............................................................................... 7-4 
7.6 
TPC and Low Density Parity Check (LDPC) coding .............................................................. 7-5 
7.6.1 
Introduction ........................................................................................................................... 7-5 
7.6.2 
LDPC versus TPC ................................................................................................................. 7-6 
7.6.3 
End-to-End Processing Delay ............................................................................................... 7-8 
7.7 
Uncoded Operation (No FEC) ................................................................................................... 7-9 
CHAPTER 8.  AUTOMATIC UPLINK POWER CONTROL ................................................... 8-1 
8.1 
Introduction ................................................................................................................................. 8-1 
8.2 
Setting AUPC Parameters .......................................................................................................... 8-2 
8.2.1 
Target Eb/No ......................................................................................................................... 8-2 
8.2.2 
Max Range ............................................................................................................................ 8-2 
8.2.3 
Alarm .................................................................................................................................... 8-3 
8.2.4 
Demod Unlock ...................................................................................................................... 8-3 
MN-0000036 (Ref MN/CDM625.IOM)
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