1
Getting Started
16
Keysight U2040 X-Series User’s Guide
Figure 1-2
U2049XA sensor
RF input port for
RF/microwave signals
LAN cable
LAN port
External trigger ports
Link state LED indicators
Indicate the U2049XA link states:
– Green solid (
): Link speed indicator.
Lights up when the operating speed is 100 Mbps.
No indication when the operating speed is 10 Mbps
or during line isolation.
– Amber blinking (
): Link activity indicator.
Blinks when a valid link activity is detected.
LED indicators
Indicate the U2049XA state.
Refer to “
for
more information.
LAN reset
switch
Push the switch button
(a straightened paper clip will do
the job) to reset the U2049XA LAN
configuration to a known default
state.