National Instruments SCXI -1125 用户手册
Chapter
2 Connecting
Signals
2-8
ni.com
Table 2-2. Rear Signal Pin Assignments
Rear Connector
Diagram
Signal Name
Pin Number
Pin Number
Signal Name
NC means no
connection
AI GND
1
2
AI GND
CH 0 +
3
4
CH 0 –
CH 1 +
5
6
CH 1–
CH 2 +
7
8
CH 2 –
CH 3 +
9
10
CH 3 –
CH 4 +
11
12
CH 4 –
CH 5 +
13
14
CH 5 –
CH 6 +
15
16
CH 6 –
CH 7 +
17
18
CH 7 –
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
NC
31
32
NC
D GND
33
34
NC
NC
35
36
AI HOLD COMP, AI HOLD
SER CLK
37
38
NC
NC
39
40
NC
NC
41
42
NC
NC
43
44
NC
NC
45
46
SYNC
NC
47
48
NC
NC
49
50
NC
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