![background image](http://html1.mh-extra.com/html/national-instruments/sc-2345-carrier/sc-2345-carrier_user-manual_3630080048.webp)
Appendix B
Carrier Socket Signal Assignments
SC-2345/2350 Carrier User Manual
B-4
ni.com
Table B-3.
SC-2345 Carrier—Sockets J19–J20
Pin Number
J19–J20: GPCTR 0
J19–J20: GPCTR 1
1
PFI 12/CTR0 OUT
PFI 13/CTR1 OUT
2
PFI 14/FREQ OUT
PFI 14/FREQ OUT
3
PFI 9/CTR 0 GATE
PFI 4/ CTR 1 GATE
4
P0.6
P0.7
5
PFI 8/CTR 0 SOURCE
PFI 3/CTR 1 SOURCE
6
—
—
7
—
—
8
—
—
9
+5 V
+5 V
10
GND
GND
11
A GND
A GND
12
REF 5 V
REF 5 V
13
+15 V
+15 V
14
–15 V
–15 V
15
—
—
16
—
—
17
—
PFI 1/AI REF TRIG
18
PFI 5/AO SAMP CLK
PFI 11/AI HOLD COMP
19
PFI 0/AI START TRIG
PFI 0/AI START TRIG
20
PFI 6/AO START TRIG
PFI 10/EXTSTROBE