Front Panel and Connectors

NI-USRP Help

Edition Date: March 2018

Part Number: 373380J-01

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This section describes the connectors and LED indicators on the USRP-2932 device front panel.

2932 fron panel
Connector Use
RX1
TX1
RF signal input and output terminal. RX1 TX1 is an SMA (f) connector with an impedance of 50 Ω and is a single-ended input or output channel.
RX2 RF signal input terminal. RX2 is an SMA (f) connector with an impedance of 50 Ω and is a single-ended input channel.
REF IN This terminal is not used for this device.
PPS IN Pulse per second (PPS) timing reference input terminal. PPS IN is an SMA (f) connector with an impedance of 50 Ω and is a single-ended input. PPS IN accepts 0 V to 3.3 V TTL and 0 V to 5 V TTL signals.
MIMO EXPANSION The multiple-input, multiple-output (MIMO) EXPANSION interface port connects two USRP devices using a compatible MIMO cable.
GB ETHERNET The gigabit Ethernet port accepts an RJ-45 connector and gigabit Ethernet compatible cable (Category 5, Category 5e, or Category 6).
POWER The power input accepts a 6 V, 3 A external DC power connector.

The following table provides information about the USRP-2932 module front panel LEDs and the device states they indicate.

LED Indication
A Indicates the transmit status of the USRP-2932 module:

OFF—The module is not transmitting data.

GREEN—The module is transmitting data.
B Indicates the status of the physical MIMO cable link:

OFF—The modules are not connected using the MIMO cable.

GREEN—The modules are connected using the MIMO cable.
C Indicates the receive status of the USRP-2932 module:

OFF—The module is not receiving data.

GREEN—The module is receiving data.
D Indicates the firmware status of the USRP-2932 module:

OFF—The firmware is not loaded.

GREEN—The firmware is loaded.
E Indicates the reference lock status of the LO on the USRP-2932 module:

OFF—There is no reference signal or the LO is not locked to a reference signal.

BLINKING—The LO is not locked to a reference signal.

GREEN—The LO is locked to a reference signal.
F Indicates the power status of the USRP-2932 module:

OFF—The module is powered off.

GREEN—The module is powered on.

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