User's Manual

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Crescendo UHF Half-Duplex User Manual Page 45 of 78
7.1.2 Multiple Port Point-to-point Network
Two point-to-point destinations can be used by configuring the point-to-point protocol on both serial ports of
base unit, and then having two remotes each connected to a different port. This scenario is shown in Figure
15.
Crescendo
Base
1000
Crescendo
Remote
1001
Main
DTE
RADIO CONFIGURATION
Address: 1000
PROTOCOL CONFIGURATION
Main: Point-to-point to 1001
Aux: Point-to-point to 1002
Aux: Start in local disabled
SERIAL CONFIGURATION
Main Port: 19200, 8N1, Hardware Flow
Aux Port: 19200, 8N1
DTE
RADIO CONFIGURATION
Address: 1001
PROTOCOL CONFIGURATION
Main: Point-to-point to 1000
SERIAL CONFIGURATION
Main Port: 19200, 8N1, Hardware Flow
Main
Crescendo
Remote
1002
DTE
Aux
DTE
Aux
RADIO CONFIGURATION
Address: 1002
PROTOCOL CONFIGURATION
Aux: Point-to-point to 1000
Aux: Start in local disabled
SERIAL CONFIGURATION
Aux Port: 19200, 8N1
Figure 14: Multiple port point-to-point network
Note that the main port on the base is connected to the main port on radio 1001, while the auxiliary port on
the base is connected to the auxiliary port on remote 1002.
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.
 Singlecast retries. See page 25 for more information.