Chapter 2
Connecting the Signals
©
National Instruments Corporation
2-7
Table 2-3.
Rear Signal Pin Assignments
Rear Connector
Diagram
Signal Name
Pin Number
Pin Number
Signal Name
NC—No
Connection
AI GND
1
2
AI GND
CH 0 +
3
4
CH 0 –
NC
5
6
NC
NC
7
8
NC
NC
9
10
NC
NC
11
12
NC
NC
13
14
NC
NC
15
16
NC
NC
17
18
NC
OUT REF
19
20
NC
NC
21
22
NC
NC
23
24
D GND
SER DAT IN
25
26
SER DAT OUT
DAQ D*/A
27
28
NC
SLOT 0 SEL*
29
30
NC
D GND
31
32
NC
NC
33
34
NC
NC
35
36
AI HOLD COMP, AI HOLD
SER CLK
37
38
NC
NC
39
40
NC
NC
41
42
NC
RSVD
43
44
NC
NC
45
46
RSVD
NC
47
48
NC
NC
49
50
NC
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
