Full Duplex Mode - Microscan MS-9 User Manual

Full Duplex Mode

Used when communication to and from the auxiliary port is required.
Usage:
In Full Duplex mode all auxiliary port data and symbol data is sent
Definition:
directly to the host. Symbol 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>
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.
<K101,aux port
Serial Cmd:
ID status,daisy chain ID>
3 = Full duplex
is the only command that is accepted by the scanner from the
mode,baud rate,parity,stop bits,data bits,daisy chain
Chapter 3 Communications
Host
Scanner
Host
Scanner
Host
Scanner
MS-9 Scanner User's Manual
Aux
Port
Aux
Port
Aux
Port
3-13