Data Format; Header/Terminator Selection - Datalogic DL Cordless Card Reference Manual

4
This string is always transmitted in a single frame preceding the one containing
the configuration command, as shown in the following examples:
Example 1
Sending the $+$![CR] command to transmit the card software release:
st
1 Frame = #+++PROG_REQ+++#
nd
2 Frame = $![CR]
Example 2
Sending the $+ML0$-[CR] command to set the default frame packing
configuration:
st
1 Frame = #+++PROG_REQ+++#
nd
2 Frame = ML0$-[CR]
4.3

DATA FORMAT

4.3.1

Header/Terminator Selection

The header/terminator selection is not effected by restore default command.
Header Position
This parameter defines the header position within the frame to be transmitted from
DLCC to the Host. The header can be positioned in either the first field of the frame
or in the field preceding the message:
HEADER
HEADER Time-Stamp
The Address field has different meanings depending on if the FRAME is a 2 way
answer to a previous 2 way transaction initiated by a DLCC Client, or if it is a new
message that an RF device sends to the DLCC Server. See par. 4.3.2 for details.
26
FRAME
Address Address Delimiter
Time-Stamp-Del Code Id
DL CORDLESS CARD™
MESSAGE
Code Len DATA Terminator