Comtech EF Data CDM-760 - Page 17

Table of Contents Revision 4
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760/CD-CDM760
xii
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 Hea
der 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