Connector Use
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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© National Instruments
17
USRP-2900/2901 Getting Started
© 2022 National Instruments Corporation.
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