Comtec CDM-840 Installation And Operation Manual page 13

CDM-840 Remote Router
Table of Contents
APPENDIX D. VERSAFEC RETURN LINK ACM (ADAPTIVE CODING AND MODULATION)
OPTION .................................................................................................................... D-1
D.1 Functional Overview .......................................................................................................... D-1
D.1.1 Background ...............................................................................................................................D-2
D.2 VersaFEC ACM ................................................................................................................... D-3
D.2.1 VersaFEC ACM Latency .............................................................................................................D-4
D.3 CDM-840 VersaFEC ACM Operation .................................................................................... D-5
D.3.1 VersaFEC ACM Operation Using the HTTP Interfaces ..............................................................D-5
D.3.2 Troubleshooting........................................................................................................................D-8
D.3.3 Monitoring ACM Performance .................................................................................................D-8
D.3.4 ModCod Switch Points ..............................................................................................................D-8
D.4 ACM Congestion Control .................................................................................................... D-9
D.5 Notes and Recommendations ............................................................................................D-10
D.6 Summary of Specifications ................................................................................................D-11
APPENDIX E. BPM (BRIDGE POINT-TO-MULTIPOINT) OPERATION ............................. E-1
E.1 Functional Overview ........................................................................................................... E-1
E.1.1 BPM Terminology ..................................................................................................................... E-2
E.2 Supported Network Configurations ..................................................................................... E-3
E.2.1 Flat Network ............................................................................................................................. E-3
E.2.2 Flat Network with Routers ........................................................................................................ E-3
E.2.3 VLAN Trunking .......................................................................................................................... E-4
E.3 Packet Processing ............................................................................................................... E-4
E.3.1 Traffic Network / Ethernet Switch Behavior ............................................................................. E-4
E.3.2 Management Network ............................................................................................................. E-5
E.4 IEEE 802.1Q Support ........................................................................................................... E-6
E.4.1 VLAN Trunking .......................................................................................................................... E-6
E.4.2 Access Mode Support ............................................................................................................... E-6
E.4.3 Multiple VLAN Tagging Support................................................................................................ E-7
E.5 Multicast BPM Behavior ...................................................................................................... E-7
E.5.1 Multicast Management/Routed Behavior (No Change) ........................................................... E-8
E.6 BPM and Group QoS with Outbound ACM/VCM .................................................................. E-8
E.7 Hub Network Configuration ................................................................................................ E-9
E.8 Compatible Features and Detailed Specifications ............................................................... E-13
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MN-CDM840 / CD-CDM840
Revision 3