Table 29. NI USRP-2952R Module LEDs (Continued)
LED
Indication
REF
Indicates the status of the reference signal:
OFF—There is no reference signal or the device is not locked to the
reference signal.
BLINKING—The device is not locked to the reference signal.
GREEN—The device is locked to the reference signal.
PPS
Indicates the pulse per second (PPS):
OFF—There is no reference signal or the device is not locked to the
reference signal.
BLINKING—The device is not locked to the reference signal.
GREEN—The device is locked to the reference time signal.
GPS
Indicates whether the GPSDO is locked:
OFF—There is no GPSDO or the GPSDO is not locked.
GREEN—The GPSDO is locked.
LINK
Indicates the status of the link to a host computer:
OFF—There is no link to a host computer.
GREEN/YELLOW/RED—The host is actively communicating with
the device.
RF 1 TX1/
RX1
Indicates the transmit status of the module:
OFF—The module is not active.
RED—The module is receiving data.
GREEN—The module is transmitting data.
RX2
Indicates the receive status of the module:
OFF—The module is not receiving.
GREEN—The modules is receiving.
Figure 23. NI USRP-2952R Module Back Panel
0
1
PWR
REF
IN
PPS
OUT
TRIG
5V DC
REF
OUT
1G/10G ETH
3.3 V
+15 dBm
MAX
9-16V DC
7.5 A MAX
SFP+Ports
PCIe x4
TRIG
3.3V
IN
5V MAX
PPS
GPS
ANT
–15 dBm
MAX
NI USRP-29xx Getting Started Guide
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© National Instruments
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