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(6)
Error: Duplicated command data transmission from the host system to this
scan engine
TXD
(Host RXD)
RXD
(Host TXD)
RTS
(Host CTS)
CTS
(Host RTS)
1) The host system sets RTS signal to L-level for transmission.
2) This scan engine detects that CTS signal has been set to L-level and sets RTS signal to
L-level.
3) The host sytem, after confirming that CTS signal has been set to L-level, transmits a
command data packet.
4) The host system repeatedly transmits same command data packets.
5) The host system sets back RTS signal to H-level.
6) This scan engine detects that CTS signal has been set back to H-level and sets back
RTS signal to H-level.
7) The scan engine responses ACK only to the command data packet of 3).
Note: When ACK/NAK protocol is not selected, the sequence described in 7) shall not occur.
3)
4)
2)
1)
18
7)
6)
5)
OPTICON
Software Guide
MDL-1000/2000
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