Advanced Functions and Settings: RS-232C Serial Interface
131
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.
Pin Assignment
of the Serial Con-
nector
The pin assignment of the serial interface connector is described in the table
below.
Table 1: RS232 Serial Interface 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
Table 2: RS232-C 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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