Impulse SIO-104+16.485 (3562) User Manual
Page 11
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© Sealevel Systems, Inc.
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SIO-104+16.485 User Manual
Physical Connection
The port signals for the SIO-104+16.485 are physically connected via a 40-pin box
header located at board position J1. The following table shows the connector pinout
for the 40-pin header.
Ports 1 - 16 (J1)
PORT PINS
RS-485
1 Data
+
1
2 Data
-
3 Data
+
2
4 Data
-
5 Data
+
3
6 Data
-
7 Data
+
4
8 Data
-
9 GND
GND
10 GND
11 Data
+
5
12 Data
-
13 Data
+
6
14 Data
-
15 Data
+
7
16 Data
-
17 Data
+
8
18 Data
-
19 GND
GND
20 GND
21 Data
+
9
22 Data
-
23 Data
+
10
24 Data
-
25 Data
+
11
26 Data
-
27 Data
+
12
28 Data
-
29 GND
GND
30 GND
31 Data
+
13
32 Data
-
33 Data
+
14
34 Data
-
35 Data
+
15
36 Data
-
37 Data
+
16
38 Data
-
39 GND
GND
40 GND
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