Datalogic Scanning DL Cordless Card DLCC - Manual (Page 34)

DL CORDLESS CARD™
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4.2 COM PORT PARAMETERS
4.2.1 Handshaking
Modem: (RTS/CTS)
DLCC deactivates the RTS line when it cannot receive a character from the Host.
DLCC can transmit data only if the CTS line (controlled by the Host) is active.
Received data Received data
RX
RTS
Modem busy
Signals at
EIA levels
DLCC™ Side Host Side
Transmitted data Transmitted data
TX
CTS Host busy
DLCC™ Side Host Side
Signals at
EIA levels
Modem RTS/CTS Handshaking
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