National Instruments BNC -2140 - Manual (Page 15)

Chapter 3 Signal Connections
© National Instruments Corporation 3-3 BNC-2140 User Manual
Figure 3-1 describes the pin connections on the BNC-2140 68-pin
connector.
Figure 3-1. BNC-2140 External 68-Pin Analog Connector
DGND
+5 V
NC
NC
NC
NC
AOGND
†
–DAC1OUT
AOGND
†
–DAC0OUT
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
AIGND
†
–ACH3
AIGND
†
–ACH2
AIGND
†
–ACH1
AIGND
†
–ACH0
DGND
NC
NC
NC
AOGND
+DAC1OUT
AOGND
+5 V
NC
+DAC0OUT
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
AIGND
+ACH3
AIGND
+ACH2
AIGND
+ACH1
AIGND
+ACH0 1 35
2 36
3 37
4 38
5 39
6 40
7 41
8 42
9 43
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
18 52
19 53
20 54
21 55
22 56
23 57
24 58
25 59
26 60
27 61
28 62
29 63
30 64
31 65
32 66
33 67
34 68
†
These AIGND and AOGND pins are not connected in the SHC6868-A1 cable