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3.1.3
RS-422 Mode
MIC-3612 has 4 RS-422 ports. The following lists the pin assignments of the DB44
connector on the bracket. You may fabricate octopus cable for DB44 to 4 x DB9 with
these output pin.
Table 3.5: MIC-3612 DB44 Connector Pin Assignment for RS-422 Mode
Pin No.
2
31
1
17
6
35
5
21
10
39
9
25
14
42
13
29
MIC-3612/3-BE User Manual
Figure 3.2 MIC-3612 DB44 Connector RS-232 Mode
Signal
Pin No.
TX0+
3
TX0-
18
RX0+
16
RX0-
32
TX1+
7
TX1-
22
RX1+
20
RX1-
36
TX2+
11
TX2-
26
RX2+
24
RX2-
40
TX3+
15
TX3-
30
RX3+
28
RX3-
43
Signal
Pin No.
RTS0+
33
RTS0-
CTS0+
CTS0-
RTS1+
37
RTS1-
CTS1+
CTS1-
RTS2+
41
RTS2-
CTS2+
CTS2-
RTS3+
44
RTS3-
CTS3+
CTS3-
14
Signal
GND
GND
GND
GND
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