30
208210A_UG_V1.6_ARFx3-PRO
Products from the ARFx3-PRO range must be powered by an external source which must be a minimum of 4.5V
and must not exceed 36 VDC. The green LED (located under the case) comes on when the power is on.
+
DC
Supply.
+
-
RX
TX
ON
RTS
CTS TX+ TX- RX+ RX-
ON
1
2
3. Wiring the serial link
3.1. DTE RS232 modem
This is the case for example with a modem connected to a PC. RTS and CTS are not required if you use flow
control.
N° / SUB-D 9 NOM
+ Vcc
5
GND
2
RXD
3
TXD
+
-
RX
TX
RTS
CTS
TX+
TX-
RX+
RX-
ON
1 2
7
5
RTS
5
8
CTS
3.2. DCE RS232 modem
This is the case for example with a modem connected to a measuring device. RTS and CTS are not required if
you use flow control.
N° / SUB-D 9 NOM
+ Vcc
5
GND
3
RXD
2
TXD
+
-
RX
TX
INHIB
RTS
CTS
TX+
TX-
RX+
RX-
ON
1 2
8
RTS
7
CTS
Activity on the serial link causes the green LED to flash, whether the data transmission rate chosen is correct or
not.
GB
Содержание ARF33-PRO
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