Appendix D Architecture Drawings

NI 2501/2503 User Manual D-2

©

National Instruments Corporation

Figure D-1. NI 2501 Switch Architecture
CH11+
CH11–
CH10+
CH10–
CH9+
CH9–
CH8+
CH8–
CH7+
CH7–
CH6+
CH6–
CH5+
CH5–
CH4+
CH4–
CH3+
CH3–
CH2+
CH2–
CH1+
CH1–
CH0+
CH0–
CH12+
CH12–
CH13+
CH13–
CH14+
CH14–
CH15+
CH15–
CH16+
CH16–
CH17+
CH17–
CH18+
CH18–
CH19+
CH19–
CH20+
CH20–
CH21+
CH21–
CH22+
CH22–
CH23+
CH23–
CJS+
CJS–
1-Wire Lo Ref
COM1+
COM1–
AB0+
AB0–
COM0+
COM0–
AB1+
AB1–
COM2+
COM2–
COM3+
COM3–

Bank1

BC01

BC02

BC23

AB0

AB1

1WIRE

AMP0

AMP1 Bank0

Bank2

Bank3

HLSELECT