Datalogic Scanning M8300 Manual De Usuario
REFERENCES
139
5 REFERENCES
5.1 RS-232 PARAMETERS
5.1.1
Handshaking
Hardware handshaking: (RTS/CTS)
The RTS line is activated by the decoder before transmitting a character.
Transmission is possible only if the CTS line (controlled by the Host) is active.
Transmission is possible only if the CTS line (controlled by the Host) is active.
RTS
Transmitted data
Transmitted data
TX
CTS
Host busy
Signals at
EIA levels
EIA levels
RTS/CTS handshaking
Software handshaking: (XON/XOFF)
During transmission, if the Host sends the XOFF character (13 Hex), the decoder
interrupts the transmission with a maximum delay of one character and only resumes
when the XON character (11 Hex) is received.
interrupts the transmission with a maximum delay of one character and only resumes
when the XON character (11 Hex) is received.
Host ready
Host busy
XON
XOFF
RX
Transmitted data
Transmitted data
TX
XON/XOFF handshaking