ADLINK EXP-ISO-COM8 - Manual (Page 22)

TME-EXP-ISO
RS48
Conne
Use 2
The R
For se
When
are te
(e.g. R
Addit
pulled
order
COM8
It is re
Pin
1
3
5
O-COM8-R1V0
85-Selection
ector type
2 mm jumpers
RS485 termina
electing the R
n the jumper i
erminated wit
RX+ and RX-)
ionally, positiv
d up/down wi
to protect th
8 from overvo
ecommended
Signal
TX+
RX+
RS485 mod
0
n and Termin
IDC6 pin hea
s to terminate
ation jumpers
RS485 mode t
is set, the diff
h 120 betwe
ve/negative r
ith 10 k to 3
he transceivers
oltage.
d to protect th
Pin
2
4
de 6
nation Jump
ader 2.00 mm
e lines correct
are located a
he pins 5 and
ferential pairs
een them.
eceive lines a
3,3 V/ GND in
s of the EXP-I
he ports of th
Signal
TX-
RX-
VCC
Rev 1.0
pers
tly.
at the top of t
d 6 at each po
are
n
ISO-
he external de
the printed ci
ort have to be
evice in the sa
RX+
RX-
UART
ircuit board, s
e shorted.
ame way!
10 k
10 k
120
see chapter 1
GND
3,3 V
Jumper
17 (2
.5
RX-
RX+
externa
devic
4)
-
+
al
e