Microscan MS-96 Uživatelský manuál Strana 42

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RS-232 Auxiliary Port
3-12 MS-9 Scanner User’s Manual
Definition: In Half Duplex mode all auxiliary port data and symbol data is sent
directly to the host. Symbol data is displayed on the auxiliary port screen
at the same time the data is sent to the host.
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 transmitted to the auxiliary port at
the same time it is transmitted to the host.
Data transmission conforms with all parameters
specified in the configuration menu (e.g., Pre-
amble, Postamble, End of Read Cycle).
Data is initiated from the Host
All host data is echoed to the auxiliary port in
unpolled mode.
Serial Cmd: <K101,aux port mode,baud rate,parity,stop bits,data bits,daisy chain
ID status,daisy chain ID>
2 = Half Duplex
Scanner
Host
Aux
Port
Scanner
Host
Aux
Port
Scanner
Host
Aux
Port
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