Datalogic Scanning I GD4100 Barcode Reader User Manual


 
Handshaking Control
Product Reference Guide 57
Handshaking Control
The data interface consists of an RS-232 port designed to operate either with or without the
hardware handshaking lines, Request to Send (RTS), and Clear to Send (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 transmissions.
RTS/XON/XOFF — RTS is asserted during transmissions. CTS is ignored. XON and
XO
FF 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 contr
ols
enable and disable state of scanner.
ENTER/EXIT PROGRAMMING MODE
Handshaking Control = RTS
Handshaking Control = RTS/CTS
Handshaking Control = RTS/XON/XOFF
Handshaking Control = RTS On/CTS
Handshaking Control = RTS/CTS Scan Control
DEFAULT