Table 5. LEDs (Continued)
LED
Description
Color
State
Indication
STATUS
Indicates the status of
the device.
OFF
—
The device initialized
successfully and is
ready for use.
Red
Blinking Hardware error. An
internal power supply
has failed. Check
front-panel I/O
connections for shorts.
Remove any shorts
and cycle power to the
USRP-2974. Contact
NI if the problem
persists.
PWR
Indicates the power
status of the device.
OFF
—
The device is powered
off.
Green Solid
The device is powered
on.
10/100/1000
Indicates the speed of
the Gigabit Ethernet
link.
OFF
—
No link, or 10 Mbps
link.
Green Solid
100 Mbps link.
Amber Solid
1,000 Mbps link.
ACT/LINK
Indicates the Gigabit
Ethernet link activity
or status.
OFF
—
No link has been
established.
Green Solid
A link has been
negotiated.
Blinking Activity on the link.
14
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USRP-2974 Getting Started Guide