Setting the Interface Functions ♦ C7 - 9
RS-232C Serial Interface
The RS-232C Serial interface of your plotter conforms to the RS-232C Standard of Electronic
Industries Association (EIA). This serial interface performs the serial transfer of digital binary
data, control signals and SYNC signals.
Specifications
Standard CCITT V.24, EIA RS-232C, JIS X5101
Synchronization Asynchronous start-stop
Transfer Rate 19200 bits/s
Stop Bit 2 stop bits
Parity Even, odd, none
Character length 7 or 8 bits
Electrical Characteristics
RD,SD
(Negative logic)
RS,CD,DR,ER
(Positive Logic)
Input voltage level +5V to +12V
-5V to -12V
Logical “0” “ON”
Logical “1” “OFF”
Output voltage level +5V to +8V
-5V to -8V
Logical “0” “ON”
Logical “1” “OFF”
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