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Chapter 3
Signal Connections
SCXI-1120/D Rear Connector
Note
If you will be using the SCXI-1120/D with a National Instruments DAQ device and
cable assembly, you do not need to read the remainder of this chapter. If you will also be
using the SCXI-1180 feedthrough panel, the SCXI-1343 rear screw terminal adapter, or the
SCXI-1351 one-slot cable extender with the SCXI-1120/D, you should read this section.
SCXI-1120/D User Manual
Figure 3-8 shows the pin assignments for the SCXI-1120/D rear signal
connector.
SERDATIN
SLOT0SEL*
Figure 3-8. SCXI-1120/D Rear Signal Connector Pin Assignments
1
2
AOGND
AOGND
MCH0+
3
4
MCH0-
MCH1+
5
6
MCH1-
MCH2+
7
8
MCH2-
MCH3+
9
10
MCH3-
MCH4+
11 12
MCH4-
MCH5+
13 14
MCH5-
15 16
MCH6+
MCH6-
MCH7+
17 18
MCH7-
OUTREF
19 20
NC
NC
21 22
NC
NC
23 24
DIG GND
25 26
SERDATOUT
DAQD*/A
27 28
NC
29 30
NC
NC
31 32
NC
NC
DIG GND
33 34
NC
SCANCLK
35 36
SERCLK
37 38
NC
NC
39 40
NC
NC
41 42
NC
RSVD
43 44
NC
NC
45 46
NC
NC
NC
47 48
NC
49 50
NC
3-8
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