Table 10. USRP-2943 Module LEDs (Continued)
LED
Description
Color
State
Indication
PPS
Indicates the pulse per
second (PPS).
OFF
—
There is no PPS timing
reference signal, or the
device is not locked to the
reference signal.
Green
Blinking The device is locked to the
PPS timing reference
signal.
GPS
Indicates whether the
GPSDO is locked.
OFF
—
There is no GPSDO or the
GPSDO is not locked.
Green
Solid
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, or
red
Solid
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
Solid
The module is transmitting
data.
Green
Solid
The module is receiving
data.
RX2
Indicates the receive
status of the module.
OFF
—
The module is not
receiving.
Green
Solid
The module is receiving.
Figure 10. USRP-2943 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
22
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USRP-2940/2942/2943/2944/2945 Getting Started Guide