Datalogic-scanning DL Cordless Card DLCC Manual do Utilizador descarregar pdf (Página 35)

PARAMETER ISSUES AND DEFINITIONS

Hardware handshaking: (RTS/CTS)

The RTS line is activated by DLCC before transmitting a character. Transmission is

possible only if the CTS line (controlled by the Host) is active.

RTS

Transmitted data Transmitted data

CTS

Host busy

Signals at

EIA levels

Hardware RTS/CTS Handshaking

Software handshaking: (XON/XOFF)

During transmission, if the Host sends the XOFF character (13 Hex), the card

interrupts the transmission with a maximum delay of one character and only resumes

when the XON character (11 Hex) is received.

Host readyHost busy

XONXOFF

Transmitted dataTransmitted data

Software XON/XOFF Handshaking

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 54 55

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Datalogic-scanning DL Cordless Card DLCC Manual do Utilizador Página 35