475 Programmable Hardware Manual (PHM)
© Tibbo Technology Inc.
With three outputs and four inputs, the DS1202 can be said to offer 3.5 serial
"channels". We say "3.5 channels" and not "four channels" because one channel will
only have RX line and no TX line (remember, there are four inputs but only three
outputs).
Pins on the DB9M connector of the
DS1202-RS
RX/TX/CTS/RTS/DS
R/DTR + RX/tx
RX/TX/CTS/RTS +
RX/TX + RX/tx
RX/TX/CTS/RTS +
RX/TX/CTS/rts
RX/TX/CTS/RTS +
RX/TX/DSR/dtr
RX/TX/DSR/DTR +
RX/TX + RX/tx
RX/TX/DSR/DTR +
RX/TX/CTS/rts
RX/TX/DSR/DTR +
RX/TX/DSR/dtr
RX/TX + RX/TX +
RX/TX + RX/tx
RX/TX/CTS/rts +
RX/TX + RX/TX
RX/TX/DSR/dtr +
RX/TX + RX/TX
RX/TX/CTS/RTS +
RX/tx/CTS/RTS
RX/TX/CTS/RTS +
RX/tx/DSR/DTR
RX/TX/DSR/DTR +
RX/tx/CTS/RTS