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
37
PXIe-5842
Getting Started