Router Mode - Point-To-Multipoint - Comtech EF Data CDM-570A Installation And Operation Manual

D.3.1.1.3.2 Router Mode – Point-to-MultiPoint
Router Point-to-MultiPoint Working Mode with HDLC Addressing only applies to
CDM-IPs and CDD-564/L IPs operating with CDM-IP Modem(s).
Figure D-7 shows a Point-to-MultiPoint configuration (also referred to as a "STAR Network"). The
Hub CDM-IP is transmitting a common 2.048 Mbps link to THREE remote CDM-IPs. All three
remote CDM-IPs are transmitting a 256 kbps link back to the Hub CDD-564/L IP Quad
Demodulator.
Since this is a Point-to-MultiPoint configuration, HDLC addressing is used so that the traffic not
intended for a particular destination can be filtered. For Unicast traffic, it is best to associate a
unique HDLC address for each site in the network. For this case:
•
The Hub Site is HDLC 0x01;
•
Remote 'A' is HDLC 0x02;
•
Remote 'B' is 0x03;
•
Remote 'C' is 0x04.
Optional High Performance Packet Processor
CDM-570L/570AL Satellite Modem with Optional Packet Processor
Figure D-7. Router Point-to-MultiPoint Working Mode w/HDLC
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Revision 5
MN-CDM570A