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VIU (VIDEO INTERFACE UNIT)
SCANNER CONTROL INTERFACE
E.2. SCANNER CONTROL INTERFACE
E.2.1. Specifications
Communication method: EIA RS-232C equivalent
Transmission Method:
Synchronization Method: Start-stop transmission
Data Length:
Stop Bit:
Parity Check:
Data Rate (bps):
Maximum Cable Length: 5 m
E.2.2. Signal Description
TxD: Response to the command from the host (scanner to host)
RxD: Command from the host (host to scanner)
RTS: The scanner requests to send data to the host (scanner to host)
CTS: The host is ready to receive data from the scanner (host to scanner)
DTR: The scanner is ready to send or receive data (scanner to host)
DSR: The host is ready to send or receive data (host to scanner)
Half duplex transmission
8 bits
1 bit
Odd parity
2400, 4800, 9600, 19200
(Default: 4800)
TxD
RxD
RTS
Host
CTS
DTR
DSR
E-2
October 9th, 1995
VIU
Control I/F
G404O503.WMF
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