Pin Signal Description
B1 Optical 3.3 V Power supply for active/optical
cables
B2 GPIO Reserved
B3 GND Ground reference for signals
B4 Rx+ 1 Receive channel 1, positive
B5 Rx- 1 Receive channel 1, negative
B6 GND Ground reference for signals
B7 Rx+ 2 Receive channel 2, positive
B8 Rx- 2 Receive channel 2, negative
B9 GND Ground reference for signals
C1 SCL Serial clock
C2 SDA Serial data
C3 GND Ground reference for signals
C4 Tx+ 0 Transmit channel 0, positive
C5 Tx- 0 Transmit channel 0, negative
C6 GND Ground reference for signals
C7 Tx+ 3 Transmit channel 3, positive
C8 Tx- 3 Transmit channel 3, negative
C9 GND Ground reference for signals
D1 Optical 3.3 V Power supply for active/optical
cables
D2 EEPROM 3.3 V EEPROM power supply
D3 GND Ground reference for signals
D4 Tx+ 1 Transmit channel 1, positive
D5 Tx- 1 Transmit channel 1, negative
D6 GND Ground reference for signals
D7 Tx+ 2 Transmit channel 2, positive
D8 Tx- 2 Transmit channel 2, negative
D9 GND Ground reference for signals
© National Instruments
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PXIe-5842 Getting Started