Symbol LS 9100 Product Reference Manual page 79

LS 9100 Product Reference Guide
Hardware Handshaking (RS-232) (Continued)
When Option 2 is selected, RTS is always high or low (user-
programmed logic level). However, the scanner waits for CTS to
be asserted before transmitting data. If CTS is not asserted
within two seconds, the scanner issues an error indication and
discards the data.
RTS/CTS OPTION 2
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