such as 192.168.11.1, or change the subnet mask of the host network
adapter to recognize a wider range of IP addresses, such as 255.255.0.0.
Related Information
Changing the IP Address on page 6
Why Does the Device Not Connect to the Host Interface?
The host Ethernet interface must be a gigabit Ethernet interface to connect to the USRP
device.
Ensure the connection between the host network interface card and the device cable
connection is valid and both the device and computer are powered on.
A lit green LED in the upper left corner of the gigabit Ethernet connection port on the
device front panel indicates a gigabit Ethernet connection.
Front Panels and Connectors
Direct Connections to the NI 292x
The NI 292x is a precision RF instrument that is sensitive to ESD and transients. Ensure you
take the following precautions when making direct connections to the NI 292x to avoid
damaging the device.
Caution Apply external signals only while the NI 292x is powered on. Applying
external signals while the device is powered off may cause damage.
• Ensure you are properly grounded when manipulating cables or antennas connected to the
NI 292x TX 1 RX 1 or RX 2 connector.
• If you are using noninsulated devices, such as a noninsulated RF antenna, ensure the
devices are maintained in a static-free environment.
• If you are using an active device, such as a preamplifier or switch routed to the NI 292x
TX 1 RX 1 or RX 2 connector, ensure that there are no signal transients greater than the
RF and DC specifications for the device that are being generated and sourced to the
NI 292x TX 1 RX 1 or RX 2 connector.
NI USRP-2920
Figure 1. NI USRP-2920 Front Panel
MIMO EXPANSION GB ETHERNET
RX 1
TX 1
REF IN PPS IN
A
C
E
B
D
F
NI USRP
-
2920
50 MHz - 2.2 GHz
RX 2
POWER
6 V 3 A
NI USRP-2920/2921/2922 Getting Started Guide | © National Instruments | 13
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