National Instruments SCXI-1121 Manuel D’Utilisation
Chapter 2
Configuration and Installation
© National Instruments Corporation
2-37
Rear Signal Connector
Note
If you are using the SCXI-1121 with a National Instruments data acquisition board
and cable assembly, you do not need to read the remainder of this chapter. If you are using
the SCXI-1180 feedthrough panel, the SCXI-1343 rear screw terminal adapter, or the
SCXI-1351 one-slot cable extender with the SCXI-1121, you should read this section.
the SCXI-1180 feedthrough panel, the SCXI-1343 rear screw terminal adapter, or the
SCXI-1351 one-slot cable extender with the SCXI-1121, you should read this section.
Figure 2-14 shows the pin assignments for the SCXI-1121 rear signal
connector.
connector.
Figure 2-14. SCXI-1121 Rear Signal Connector Pin Assignment
RSVD
SERCLK
DIG GND
SLOT0SEL*
DAQD*/A
SERDATIN
OUTREF
MCH4+
MCH3+
MCH2+
MCH1+
MCH0+
AOGND
SCANCLK
SERDATOUT
DIG GND
MCH4–
MCH3–
MCH2–
MCH1–
MCH0–
AOGND
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