Table 3.
Ethernet Connector Signals
Pin
Fast Ethernet
Gigabit Ethernet
1
TX+
TX_A+
2
TX-
TX_A-
3
RX+
RX_B+
4
NC
TX_C+
5
NC
TX_C-
6
RX-
RX_B-
7
NC
RX_D+
8
NC
RX_D-
Note
The Ethernet controller can perform an automatic crossover, thus eliminating
the need for crossover cables.
The following table lists and describes the 10/100/1000 LAN connector LED states.
Table 4.
10/100/1000 LAN Connector LED States
LED
Color
LED State
Condition
Top
Green Off
LAN link is not established.
On (steady state)
LAN link is established.
On (brighter and
pulsing)
The controller is communicating with another
computer on the LAN.
Bottom Unlit
Off
10 Mbit/sec data rate is selected.
Green On
100 Mbit/sec data rate is selected.
Amber On
1000 Mbit/sec data rate is selected.
Universal Serial Bus
The following figure shows the location and pinouts for the Universal Serial Bus (USB)
connector on the NI PXIe-8840 Quad-Core. Each controller has four USB 2.0 ports and two
USB 3.0 ports on the front panel.
NI PXIe-8840 Quad-Core User Manual
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© National Instruments
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