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ABB Industrial IT enabled REX 521 Technical Reference Manual, General page 45

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Technical Reference Manual, General
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X4.1
X3.1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Data A
RS-485
10
10
Data B
11
12
13
14
15
16
17
18
Service pin 1
X4.2
Tx
X3.2
1
2
3
Rx
4
X3.3
5
6
7
8
9
10
11
12
13
CE
14
15
16
17
18
Made in Finland
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5HDU YLHZ RI 5(;  %DVLF
X4.1
X3.1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Data A
10
RS-485
10
Data B
11
12
13
14
15
16
17
1
Service pin
18
X4.2
Tx
X3.2
1
2
Rx
X3.3
3
4
5
6
7
8
9
10
11
12
13
CE
14
15
16
17
18
Made in Finland
RearViewMedium
RearViewMedium_a
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5HDU YLHZ RI 5(;  0HGLXP
1. Service Pin is mounted if the HW version contains LON
X1
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RearViewBasic_a

X1
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

5(; 
45

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