© National Instruments
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3-5
NI PXI-6683 Series User Manual
Ethernet Speed LED
The Ethernet Speed LED indicates the NI PXI-6683 Series Ethernet link speed. Refer to
Figure 3-3 for the Ethernet Speed LED location.
Table 3-3 summarizes what the Ethernet Speed LED indicates.
Note
When there is no Ethernet link the Ethernet Speed LED is off.
Ethernet ACT/LINK LED
The Ethernet ACT/LINK LED indicates the NI PXI-6683 Series Ethernet link condition. Refer
to Figure 3-3 for the Ethernet ACT/LINK LED location.
Table 3-4 summarizes what the Ethernet ACT/LINK LED indicates.
Connectors
This section describes the connectors on the front panel of the NI PXI-6683 Series. Refer to
Figure 3-3 for the location of the connectors.
•
GPS ANT
—GPS antenna RF input and DC power output for active GPS antenna. This
connector provides 5 VDC for an active antenna. This connector also serves as the input for
the RF signal coming in from the GPS antenna.
•
CLKOUT
—Clock Output. This connector is used to source a 10 MHz clock that can be
routed programmatically from the temperature-compensated crystal oscillator (TCXO) or
backplane clock (PXI_CLK10).
Table 3-3.
Ethernet Speed LED Description
Color
Status
Off
10 Mbps
Green
100 Mbps
Amber
1000 Mbps
Table 3-4.
Ethernet ACT/LINK LED Color Description
Color
Status
Off
No Ethernet link
Green
Ethernet link established
Blink
Ethernet activity occurring