Table Of Contents

NI USRP-2922 Pinout

Version:
    Last Modified: May 17, 2017

    Table 1. Connector Descriptions
    Connector Description
    RX1 TX1 Input and output terminal for the RF signal. 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 and terminal. RX2 is an SMA (f) connector with an impedance of 50 Ω and is a single-ended input channel.
    REF IN Input terminal for an external reference signal for the local oscillator (LO) on the device. REF IN is an SMA (f) connector with an impedance of 50 Ω and is a single-ended reference input. REF IN accepts a 10 MHz signal with a minimum input power of 0 dBm(.632 Vpk-pk) and a maximum input power of 15 dBm (3.56 Vpk-pk) for a square wave or sine wave.
    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.
    Table 2. LED Descriptions
    LED Indication
    A Indicates the transmit status of the 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 module:
    • OFF-The module is not receiving data.
    • GREEN-The module is receiving data.
    D Indicates the firmware status of the module:
    • OFF-The firmware is not loaded.
    • GREEN-The firmware is loaded.
    E Indicates the reference lock status of the LO on the 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 module:
    • OFF-The module is powered off.
    • GREEN-The module is powered on.

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