Rs-232C Serial Interface - GRAPHTEC FC4100 series User Manual

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
Synchronization Asynchronous start-stop
Transfer Rate
Stop Bit
Parity
Character length 7 or 8 bits
Electrical Characteristics
Input voltage level
Output voltage level
CCITT V.24, EIA RS-232C, JIS X5101
19200 bits/s
2 stop bits
Even, odd, none
RD,SD
(Negative logic)
+5V to +12V
-5V to -12V
+5V to +8V
-5V to -8V
Setting the Interface Functions ♦ C7 - 9
RS,CD,DR,ER
(Positive Logic)
Logical "0" "ON"
Logical "1" "OFF"
Logical "0" "ON"
Logical "1" "OFF"