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Chapter 3 LEDs, DIP Switches, and Connectors
NI 1450 Series Compact Vision System User Manual 3-2 ni.com
POWER OK LED
Under normal operating conditions, the POWER OK LED remains green
while the NI 1450 is powered on. A green POWER OK LED indicates that
NI 1450 main power is receiving power and that the NI 1450 is not in a fault
state. A red POWER OK LED indicates that the NI 1450 has shut down
because of a fault state. A fault state occurs when the user shutdown input
is asserted, the processor overheats, or the watchdog timer expires.
Note The POWER OK LED does not indicate the status of the isolated power, Viso.
STATUS LED
The orange STATUS LED remains off under normal operating conditions
and flashes a specific number of times to indicate error conditions or certain
DIP switch settings. The STATUS LED remains lit if the NI 1450 detects
an internal error.
Refer to the Hardware Errors section of Appendix A, Troubleshooting,
for information about LED error indications.
ACT/LINK LED
The orange ACT/LINK LED blinks when the NI 1450 receives data from
or transmits data to the network through the Ethernet connection. Unrelated
network activity causes this LED to blink occasionally even when the
NI 1450 is inactive.
Figure 3-2 shows the location of the ACT/LINK LED on the NI 1450.
100 Mbps LED
The green 100 Mbps LED is lit when the network provides 100 Mbps
support and the NI 1450 is communicating at 100 Mbps. If the 100 Mbps
LED is not lit, the NI 1450 is not operating at 100 Mbps.
Figure 3-2 shows the location of the 100 Mbps LED on the NI 1450.