Microscan Quadrus MINI, User Manual, Page: 56 / 424

3-12
Quadrus MINI Imager User’s Manual
Auxiliary Port Connections
Transparent Mode
• Auxiliary port data is passed through to the
host whenever a return key is pressed at the
auxiliary port or whenever symbol data is
sent. If sent with symbol data, it is processed
on a first-in/first-out basis.
• Auxiliary port data to the host is always sent
with a preamble and postamble.
• If the imager is in a polling mode with the
host, auxiliary port data will still pass
through.
Data Originating from the Imager
• Transmission to the auxiliary port occurs
immediately upon a good read.
• Data sent to the auxiliary port does not include
a preamble or a postamble.
• Communications with the auxiliary port is
always in Point-to-Point protocol, even if the
host is in a polled protocol mode.
Data Originating from the Host
• All host data is echoed to the auxiliary port in
unpolled mode.
Usage:
A common application, in conjunction with handheld imagers, is one that
employs an auxiliary readout to detect misapplied symbols.
Definition:
In Transparent Mode, data is passed between the auxiliary port and the
host. The imager buffers data from the auxiliary port and echoes the keyed
data on the auxiliary port.
Serial Cmd:
< K101,aux port mode
,baud rate,parity,stop bits,data bits,daisy chain i.d.
status,daisy chain i.d.
>
Options:
1 = Transparent
Host
Aux.
Port
Imager
Host
Aux.
Port
Imager
Host
Aux.
Port
Imager