User's Manual

OPERATION 5
99
Transponder Reader LF60 Gen2 (SECS1-Protocol), Release 0.2
Reader to Host: S9F1
In : ENQ ( 05 )
Out: EOT ( 04 )
In : Length Byte ( 16 )
In : Header ( 81 FF 09 01 80 01 00 07 00 18 )
In : Data
21 0A 02 FF 81 01 80 01 00 00 00 31 ÆMHEAD error message
In : Checksum ( 04 8A )
Out: ACK ( 06 )
The device ID in the message block header does not correspond to the
device ID in the reader detecting the error.
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 ( 01 FF 84 01 80 01 00 00 00 06 )
Out: Checksum ( 0C 03 )
In : ACK ( 06 )
Reader to Host: S9F3
In : ENQ ( 05 )
Out: EOT ( 04 )
In : Length Byte ( 16 )
In : Header ( 81 FF 09 03 80 01 00 14 00 39 )
In : Data
21 0A 01 FF 84 01 80 01 00 00 00 06 Æ wrong message
header
In : Checksum ( 04 91 )
The stream “4” is not part of the BROOKS SECS-2 message set, so a
S9F3 error message will appear.