Radio Interface
RF Interface
12
SRL-35 Operator’s Manual P/N: 1003224-01
2) Error check
6) Full CRC16 check
Error check checks data partially while data is received.
Full CRC16 check function adds two checksum characters at the end of the user data message. At the
reception end the receiver receives first the whole package and if the checksum matches the data message
is forwarded to the serial port. If Full CRC16 check is selected it must be set ON for all radio modems in the
same network. Otherwise the checksum characters appear at the end of user message on the serial port.
User Data Whitening
In some cases, if the user data includes a large number of constant characters, additional bit errors may
appear. The use of error correction (FEC) is recommended in such cases. If that is not possible, the Data
whitening feature can be used to improve the reliability of data transfer. The feature is set on/off in the
programming mode.
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