
ADAM-4570W & 4571W User Manual
16
2.3.3 Serial Connection
ADAM-4570W has two, while ADAM-4571W has one RJ-48 serial port
phone jack on the bottom. You may use the supplied RJ-48 to DB9 cable
to connect your serial device. Simply plug the RJ-48 end of the cable into
the jack, and plug the DB9 end into the serial connector of the serial
device. The pin assignment of the RJ-48 to DB-9 cable is shown in the
table below.
Table 2.3: RJ-48 to DB-9 Cable Pin Assignment
RJ-48
Male DB9 (DB9-M)
Pin
1
2
3
4
5
6
7
8
9
RS-232 DCD
RX TX
DTR
GND DSR RTS CTS RI
RS-422 TX-
-
-
TX+
GND -
RX+ -
RX-
RS-485 DATA-
DATA+ GND -
-
-
-
1
5
9
6
3
2
4
7 8
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