Comtech EF Data CDM-760 Installation And Operation Manual page 17

Table of Contents
CDM-760 Advanced High-Speed Trunking Modem
E.2 Data Flow Diagram.............................................................................................................. E-1
E.3 Statistics Items.................................................................................................................... E-3
E.3.1 Ethernet Data Statistics............................................................................................................. E-3
E.3.2 Framing and Baseband Statistics .............................................................................................. E-3
E.3.3 Status Items .............................................................................................................................. E-4
E.3.4 BER Testing ................................................................................................................................ E-4
E.3.5 ACM Modulator Status ............................................................................................................. E-4
E.3.6 ACM Demodulator Status ......................................................................................................... E-4
E.3.7 CnC Status ................................................................................................................................. E-4
APPENDIX F. OPTIONAL HIGH-SPEED PACKET PROCESSOR ......................................................... F-1
F.1 High-Speed Packet Processor - Introduction ........................................................................ F-1
F.1.1 High-Speed Packet Processor - Operational Requirements ..................................................... F-1
F.1.1.1 Major Assemblies .............................................................................................................. F-1
F.1.1.2 Limitations and Interoperability/Compatibility Considerations ....................................... F-2
F.1.2 High-Speed Packet Processor Field Upgrade ............................................................................ F-2
F.1.2.1 Field Upgrade Overview .................................................................................................... F-2
F.1.2.2 Requirements for Field Upgrade ....................................................................................... F-2
F.1.2.3 Field Upgrade Procedure .................................................................................................. F-3
F.2 CDM-760 High-Speed Packet Processor Configuration and Operation ................................... F-9
F.2.1 CDM-760 Operational Overview ............................................................................................... F-9
F.2.2 Use the CDM-760 Front Panel to Enable Packet Processor Operation .................................. F-10
F.2.3 CDM-760 Configuration - HTTP (Web Server) Interface ........................................................ F-12
F.2.3.1 Conditional Access to High-Speed Packet Processor Pages ............................................ F-13
F.3 High-Speed Packet Processor Features .............................................................................. F-15
F.3.1 Modes of Operation ................................................................................................................ F-15
F.3.1.1 Static Route Configuration .............................................................................................. F-15
F.3.2 Quality of Service (QoS) .......................................................................................................... F-18
F.3.3 Header Compression ............................................................................................................... F-19
F.3.4 FAST Options ........................................................................................................................... F-19
APPENDIX G. ADAPTIVE CODING AND MODULATION (ACM) OPTION ........................................ G-1
G.1 Overview ........................................................................................................................... G-1
G.2 Background ....................................................................................................................... G-2
G.2.1 ACM Operational Link Example ............................................................................................... G-4
G.3 ACM System Description .................................................................................................... G-6
G.4 CDM-760 ACM Scheme ...................................................................................................... G-9
G.4.1 Target Es/No Margin ................................................................................................................ G-9
G.4.2 Distortion Adaptation / Modulation Type Impairment ......................................................... G-10
G.4.3 Pilots ....................................................................................................................................... G-11
xii
Revision 4
MN-CDM760/CD-CDM760