Tektronix Keithley 2651A Reference Manual page 107

Section 2: General operation
1 Model 2651A ethernet port (LAN)
2 Straight-through LAN cable or crossover LAN cable
3 Ethernet port (on the host computer)
LAN status LEDs
The figure below illustrates the two status light-emitting diodes (LEDs) that are on the LAN port of the
instrument. The table below the figure provides explanations of the LED states. The LED labeled 1
indicates the LAN port is connected to a 100 Mbps network. The LED labeled 2 indicates the LAN
port is connected to a 10 Mbps network.
When an LED is:
Off
On
Blinking
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Model 2651A High Power System SourceMeter® Instrument Reference Manual
Figure 27: LAN connection
Figure 28: LAN status
The network:
is not connected
is connected
is sending or receiving data
2651A-901-01 Rev. C October 2021