User's Manual

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Crescendo UHF Half-Duplex User Manual Page 48 of 78
7.2 Point-to-multipoint Networks
7.2.1 Basic Point-to-multipoint Network
A basic point-to-multipoint network is shown in Figure 17.
Crescendo
Base
1000
Crescendo
Remote
1001
Main
DTE
RADIO CONFIGURATION
Address: 1000
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, Hardware Flow
DTE
RADIO CONFIGURATION
Address: 1001
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, Hardware Flow
Main
Crescendo
Remote
1002
RADIO CONFIGURATION
Address: 1002
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, Hardware Flow
DTE
Main
Figure 17: Basic point-to-multipoint network
In this network, data passed to the main port on any unit will be output on the main port of both other units.
Other configuration parameters which may help in fine tuning the system operation are:
 Rx packetiser timers. See page 18 for more information.
 Max packet size. See section 5.3.5 for more information.
 Broadcast retransmissions. See page 25 for more information.