Symbol LS3408 Product Reference Guide - Miles Data Technologies

6 - 12 Symbol LS3408 Product Reference GuideHardware Handshaking (continued)RTS/CTS Option 1When RTS/CTS Option 1 is selected, the scanner asserts RTS before transmitting and ignores the state of CTS.The scanner de-asserts RTS when the transmission completes.RTS/CTS Option 2RTS/CTS Option 1When Option 2 is selected, RTS is always high or low (user-programmed logic level). However, the scanner waitsfor CTS to be asserted before transmitting data. If CTS is not asserted within Host Serial Response Time-out(default), the scanner issues an error indication and discards the data.RTS/CTS Option 3RTS/CTS Option 2When Option 3 is selected, the scanner asserts RTS prior to any data transmission, regardless of the state of CTS.The scanner waits up to Host Serial Response Time-out (default) for CTS to be asserted. If CTS is not assertedduring this time, the scanner issues an error indication and discards the data. The scanner de-asserts RTS whentransmission is complete.RTS/CTS Option 3