User's Manual

5 OPERATION
92
HF5x Transponder Reader (SECS1-Protocol), Release 1.4
The reader detects a wrong stream number and sends the S9F3
message
Host to Reader: S4F1
Out: ENQ ( 05 )
In: EOT ( 04 )
Out: Length Byte ( 0A )
Out: Header ( 00 00 84 01 80 01 00 00 00 0B )
Out: Checksum ( 11 02 )
In: ACK ( 06 )
Reader to Host: S9F3
In: ENQ ( 05 )
Out: EOT ( 04 )
In: Length Byte ( 16 )
In: Header ( 80 00 09 03 80 01 00 01 00 04 )
In: Data 21 0A 00 00 84 01 80 01 00 00 00 0B
 The wrong message header
In: Checksum ( 02 4E )
Out: ACK ( 06 )
The stream “4” is not part of the BROOKS SECS-2 message set, so a
S9F3 error message will appear.