Microscan MS-4X Manuel d'utilisateur Page 41

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Chapter 2 Communications
MS-880 Industrial Long Range Scanner User’s Manual 2-11
2–Communications
Full Duplex Mode
Definition: In Full Duplex mode all auxiliary port data and bar code data is sent
directly to the host. Bar code data is not displayed on the auxiliary port
screen.
Data initiated from the Auxiliary Port
Auxiliary port data to the host is ignored if the
scanner is in a polled mode.
Auxiliary port data or scanned data is sent to
the host whenever it is received.
Auxiliary port data is not echoed.
Auxiliary port data to the host is always sent
without a preamble or a postamble.
<D> is the only command that is accepted by the scanner from the
auxiliary port. All other commands are passed through to the host.
Data initiated from the Scanner
Scan data is not sent to the auxiliary port.
Data initiated from the Host
All host data is echoed to the auxiliary port in
unpolled mode.
Usage: When communication to and from the auxiliary port is required.
Serial Cmd: <K101,aux port mode,baud rate,parity,stop bits,data bits,daisy chain
ID status,daisy chain ID>
3 = Full duplex
Scanner
Host
Aux
Port
Scanner
Host
Aux
Port
Scanner
Host
Aux
Port
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