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Chapter 2
Connecting Signals
2-4
ni.com
Table 2-2.
Rear Signal Pin Assignments
Rear Connector
Diagram
Signal Name
Pin Number
Pin Number
Signal Name
AI GND
1
2
AI GND
AI 0 +
3
4
AI 0 –
—
5
6
—
—
7
8
—
—
9
10
—
—
11
12
—
—
13
14
—
—
15
16
—
—
17
18
—
OUT REF
19
20
—
—
21
22
—
—
23
24
DIG GND
SER DAT IN
25
26
SER DAT OUT
DAQ D*/A
27
28
—
SLOT 0 SEL*
29
30
—
—
31
32
—
DIG GND
33
34
—
—
35
36
AI HOLD COMP, AI HOLD
SER CLK
37
38
—
—
39
40
—
—
41
42
—
—
43
44
—
—
45
46
SYNC
—
47
48
—
—
49
50
—
49 50
47 48
45 46
43 44
41 42
39 40
37 38
35 36
33 34
31 32
29 30
27 28
25 26
23 24
21 22
19 20
17 18
15 16
13 14
11 12
9
10
7
8
5
6
3
4
1
2