Motorola Symbol DS9808-R Especificaciones descargar pdf (Pagina 133)

100

101

RS-232 Interface 7 - 11

Hardware Handshaking (continued)

•

None: Scan this bar code to disable hardware handshaking.

•

Standard RTS/CTS: Scan this bar code to select Standard RTS/CTS Hardware Handshaking.

•

RTS/CTS Option 1: If you select RTS/CTS Option 1, the digital scanner asserts RTS before transmitting and

ignores the state of CTS. The scanner de-asserts RTS when the transmission completes.

•

RTS/CTS Option 2: If you select Option 2, RTS is always high or low (user-programmed logic level).

However, the digital scanner waits for 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 3: If you select Option 3, the digital 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 asserted during this time, the scanner issues an error indication and discards the

data. The digital scanner de-asserts RTS when transmission is complete.

*None

Standard RTS/CTS

RTS/CTS Option 1

RTS/CTS Option 2

RTS/CTS Option 3

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