Table Of Contents

NI USRP-2900 Pinout

Version:
    Last Modified: May 17, 2017

    Front Panel

    Table 1. Connector Descriptions
    Connector Description
    RX2 Input terminal for the RF signal. RX2 is an SMA (f) connector with an impedance of 50 Ω and is a single-ended input channel.
    TX1 RX1 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.
    Table 2. LED Descriptions
    LED Indication
    RF 0 RX2 Indicates the receive status of the module:
    • OFF-The module is not receiving data.
    • GREEN-The module is receiving data.
    TX1 RX1 Indicates the transmit status of the module:
    • OFF-The module is not transmitting data.
    • GREEN-The module is receiving data.
    • RED-The module is transmitting data.
    • Orange-The module is alternating between transmitting and receiving data.

    Back Panel


    Connector Description
    REF IN Input terminal for an external reference signal for the local oscillator (LO) on the device. REF IN is a female SMA connector with an impedance of 50 Ω, and it is a single-ended reference input. REF IN accepts a 10 MHz signal with a minimum input power of 0 dBm (0.632 Vpk-pk) and a maximum input power of 15 dBm (3.56 Vpk-pk) for a square wave or sine wave.
    USB Input that accepts a standard USB cable. A suitable USB cable is included in the hardware kit.
    PPS IN Input terminal for pulse per second (PPS) timing reference. PPS IN is a female SMA connector with an impedance of 50 Ω, and it is a single-ended input channel. PPS IN accepts 0 V to 3.3 V TTL and 0 V to 5 V TTL signals.
    PWR Input that accepts a 6 V, 3 A external DC power connector.

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