National Instruments Module NI PXI-8250 - Manual (Page 22)

Chapter 3 Hardware Overview
NI PXI-8250 User Manual 3-6 ni.com
Figure 3-5 shows the layout of this connector.
Figure 3-5. NI PXI-8250 Front Panel Connector Pinout Diagram
Figure 3-6. NI PXI-8250 Relay Operation Diagram
1 Alert Relay Terminal Pins 2 Fused Power Output Terminal Pins
1
2
NO (Normally Open)
COM (Common)
NC (Normally Closed)
5V
3.3V
12V
-12V
GND (Ground)
NO (Normally Open)
COM (Common)
NC (Normally Closed)
Chassis off
(or power off)
NO (Normally Open)
COM (Common)
NC (Normally Closed)
Initial power up
of chassis (7 seconds)
NO (Normally Open)
COM (Common)
NC (Normally Closed)
Chassis on
without error(s)
NO (Normally Open)
COM (Common)
NC (Normally Closed)
Chassis on
with error(s)