Comtech EF Data CDM-760 - Page 18

Table of Contents Revision 4
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760/CD-CDM760
xiii
G.4.4 Long and Short Frames .......................................................................................................... G–11
G.4.5 Monotonic vs. Non-monotonic Operation ............................................................................ G–11
G.4.6 ModCod Selection .................................................................................................................. G–11
G.4.7 ACM Congestion Control ........................................................................................................ G–17
G.4.8 Notes and Recommendations ................................................................................................ G–18
G.5 CDM-760 ACM Configuration and Operation..................................................................... G–19
G.5.1 CDM-760 Operational Overview ............................................................................................ G–19
G.5.2 ACM Operation Using the CDM-760 Front Panel .................................................................. G–20
G.5.2.1 Configure ACM Operation .............................................................................................. G–20
G.5.2.2 Monitor ACM Performance and Operation ................................................................... G–21
G.5.3 ACM Operation Using the CDM-760 HTTP (Web Server) Interface ....................................... G–22
G.5.3.1 Access the CDM-760 HTTP Interface ............................................................................. G–23
G.5.3.2 HTTP Interface – ACM Pages .......................................................................................... G–23
G.5.3.2.1 Configure ACM Operation ....................................................................................... G–24
G.5.3.2.2 Monitor ACM Performance and Statistics ................................................................ G–25
G.5.4 ACM Operation Using the CDM-760 Serial Remote Control Interface .................................. G–29
G.5.4.1 CDM-760 Typical Serial Remote Control Overview ....................................................... G–29
G.5.4.2 ACM Configuration and Operation Using Serial Remote Control Commands/Queries . G–30
G.6 ACM Summary of Specifications ....................................................................................... G–31
APPENDIX H. CARRIER ID (DVB-CID METACARRIER®) ................................................................. H–1
H.1 Overview ........................................................................................................................... H–1
H.1.1 About MetaCarrier ....................................................................................................................H–1
H.1.2 Functional Description ..............................................................................................................H–2
H.2 CDM-760 Carrier ID Operation ............................................................................................ H–3
H.2.1 CDM-760 Operational Overview ...............................................................................................H–3
H.2.2 CDM-760 CID Configuration – Front Panel Operation ..............................................................H–4
H.2.3 CDM-760 CID Configuration – HTTP (Web Server) Interface ....................................................H–7
H.2.4 CDM-760 CID C
onfiguration – Serial Remote Control ........................................................... H–10
APPENDIX J. DOUBLETALK CARRIER-IN-CARRIER (CNC) OPTION ................................................. J–1
J.1 Overview ............................................................................................................................ J–1
J.1.1 What is DoubleTalk Carrier-in-Carrier? ...................................................................................... J–1
J.2 Application Requirements ................................................................................................... J–2
J.3 Operational Details ............................................................................................................. J–3
J.4 System Functionality and Operational Considerations.......................................................... J–4
J.4.1 DoubleTalk Carrier-in-Carrier Cancellation Process ................................................................... J–6
J.4.2 Margin Requirements ................................................................................................................ J–8
J.4.3 Carrier-in-Carrier Latency .......................................................................................................... J–8
J.4.4 Carrier-in-Carrier and Adaptive Coding and Modulation (ACM) ............................................... J–8