Mocomtech CDM-QX User Manual
Page 11
CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision
7
Table of Contents
MN/CDMQX.IOM
ix
6.5.4.3
Config Mdm (Configure Modem) Pages .......................................................... 6–14
6.5.4.3.1
Config Mdm | Quick View .......................................................................... 6–14
6.5.4.3.1.1
Config Mdm | Quick View | Config Pages ........................................... 6–16
6.5.4.3.1.2
Config Mdm | Quick View | Status Pages ............................................ 6–20
6.5.4.3.1.3
Config Mdm | Quick View | Test Pages ............................................... 6–24
6.5.4.3.1.4
Config Mdm | Quick View | Utility Pages ........................................... 6–28
6.5.4.3.2
Config Mdm | Unit Status Page ................................................................... 6–33
6.5.4.4
ODU (Outdoor Unit) Pages (CDM-QxL only) ................................................. 6–34
6.5.4.4.1
ODU | BUC (Block Up Converter) Page .................................................... 6–34
6.5.4.4.2
Config | LNB (Low Noise Block Down Converter) Page .......................... 6–35
6.5.4.5
Maint (Maintenance) Page ................................................................................ 6–36
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 ............................................................................................... 7–3
7.4
Trellis Coding ................................................................................................................ 7–3
7.5
Turbo Product Codec (Hardware Option) ................................................................. 7–4
7.5.1
Introduction ................................................................................................................. 7–4
7.5.2
The Evolution of TPC in Comtech Products .............................................................. 7–5
7.5.3
End-to-End Processing Delay ..................................................................................... 7–5
7.5.4
Comparison of all TPC Modes ................................................................................... 7–6
CHAPTER 8.
AUTOMATIC UPLINK POWER CONTROL (AUPC) ........................ 8–1
8.1
Introduction ................................................................................................................... 8–1
8.2
Setting AUPC Parameters ............................................................................................ 8–1
8.2.1
AUPC Target E
b
/N
0
.................................................................................................... 8–2
8.2.2
AUPC Max Range ...................................................................................................... 8–2
8.2.3
AUPC Alarm ............................................................................................................... 8–2
8.2.4
Demod Unlock ............................................................................................................ 8–2
8.3
Compensation Rate ....................................................................................................... 8–3
8.4
Monitoring ..................................................................................................................... 8–3
CHAPTER 9.
DOUBLETALK
TM
CARRIER-IN-CARRIER
®
(CNC) ........................... 9–1