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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).
Mappi
ng
optio
n
Available signals
Pins on the DB9M connector of the
DS1202-RS
Miss
ing
line
#
2
#3
#8
#7
#6
#4
#9
Optio
n 0
RX/TX/CTS/RTS/DS
R/DTR
RX
TX
CT
S
RT
S
DS
R
DT
R
---
---
Optio
n 1
RX/TX/CTS/RTS/DS
R/DTR + RX/
tx
RX
TX
CT
S
RT
S
DS
R
DT
R
RX
4
tx4
Optio
n 2
RX/TX/CTS/RTS +
RX/TX + RX/
tx
RX
TX
CT
S
RT
S
RX3
TX
3
RX
4
tx4
Optio
n 3
RX/TX/CTS/RTS +
RX/TX/CTS/
rts
RX
TX
CT
S
RT
S
RX3
TX
3
CT
S3
rts3
Optio
n 4
RX/TX/CTS/RTS +
RX/TX/DSR/
dtr
RX
TX
CT
S
RT
S
RX3
TX
3
DS
R3
dtr3
Optio
n 5
RX/TX/DSR/DTR +
RX/TX + RX/
tx
RX
TX
RX2
TX
2
DS
R
DT
R
RX
4
tx4
Optio
n 6
RX/TX/DSR/DTR +
RX/TX/CTS/
rts
RX
TX
RX2
TX
2
DS
R
DT
R
CT
S2
rts2
Optio
n 7
RX/TX/DSR/DTR +
RX/TX/DSR/
dtr
RX
TX
RX2
TX
2
DS
R
DT
R
DS
R2
dtr2
Optio
n 8
RX/TX + RX/TX +
RX/TX + RX/
tx
RX
TX
RX2
TX
2
RX3
TX
3
RX
4
tx4
Optio
n 9
RX/TX/CTS/
rts
+
RX/TX + RX/TX
RX
TX
RX2
TX
2
RX3
TX
3
CT
S
rts
Optio
n 10
RX/TX/DSR/
dtr
+
RX/TX + RX/TX
RX
TX
RX2
TX
2
RX3
TX
3
DS
R
dtr
Optio
n 11
RX/TX/CTS/RTS +
RX/
tx
/CTS/RTS
RX
TX
CT
S
RT
S
CT
S4
RT
S4
RX
4
tx4
Optio
n 12
RX/TX/CTS/RTS +
RX/
tx
/DSR/DTR
RX
TX
CT
S
RT
S
DS
R4
DT
R4
RX
4
tx4
Optio
n 13
RX/TX/DSR/DTR +
RX/
tx
/CTS/RTS
RX
TX
CT
S4
RT
S4
DS
R
DT
R
RX
4
tx4