National Instruments SC-2345 Carrier, User Manual, Page: 48 / 74

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