Handshaking Control - Datalogic QuickScan I QD21 1 Series Product Reference Manual

RS-232 ONLY Interface

Handshaking Control

The data interface consists of an RS-232 port designed to operate either with
or without the hardware handshaking lines,
Send
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•
•
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DEFAULT
$CR2HC01
Handshaking Control = RTS/CTS
$CR2HC03
Handshaking Control = RTS On/CTS
34
(CTS). Handshaking Control includes the following options:
RTS — RTS is asserted during transmissions. CTS is ignored.
RTS/CTS — RTS is asserted during transmissions. CTS gates transmis-
sions.
RTS/XON/XOFF — RTS is asserted during transmissions. CTS is ignored.
XON and XOFF gate transmissions.
RTS On/CTS — RTS is always asserted. CTS gates transmissions.
RTS/CTS Scan Control — RTS is asserted during transmissions. CTS gates
transmissions and controls enable and disable state of reader.


Request to Send
$CR2HC00 
Handshaking Control = RTS
$CR2HC02 
Handshaking Control = RTS/XON/XOFF
$CR2HC04 
Handshaking Control = RTS/CTS Scan Control
QuickScan™ I QD21X1 / QM21X1 / QBT21X1
Clear to
(RTS), and