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LS 3070 Product Reference Guide: Programming
• When the CTS line is negated, the base asserts the RTS line and waits for
one second for the host to assert CTS. When the host asserts CTS, data is
transmitted.
• When data transmission is complete, the base will negate RTS 10 msec
after sending the last character.
• The host should respond by negating CTS. The base will check for a
negated CTS upon the next transmission of data.
During the transmission of data, the CTS line should be asserted.
• If the above communications sequence should fail, the base station will
issue a transmit error. In this case, the data is lost and must be rescanned.
Select whether the scan data is to be transmitted as soon as it is available or
whether transmission follows the RTS/CTS procedure.
NO REPONSE.
AFTER 2 SECONDS, THE UNIT
BEEPS 4 TIMES TO INDICATE
A TRANSMISSION ERROR.
NOYES
HARDWARE HANDSHAKING
FINISHED
SYMBOL IS DECODED
RTS AND CTS
SELECTED?
ASSERT RTS
TRANSMIT DATA
CTS ASSERTED?
CTS ASSERTED?
YES
NO
If still asserted after 1 sec.,
indicate transmission error.
If not asserted after 1 sec.,
indicate transmission error.
YES
NO