Installation DRAGON MACH4000
Release
01
07/2018
31
1.7.3 Port status
These LEDs provide port-related information.
Figure 12: Port status: location of the display elements on the device (front side of
the device)
LED Display Color Activity Meaning
L/D Link state/data
traffic
— none Device detects an invalid or missing
link
green lights up Device detects a valid link
flashes 1 time a
period
Port is switched to stand-by
flashes 3 times a
period
Port is switched off
yellow lights up Device detects a non-supported SFP
transceiver or a non-supported data
rate
flashing alternately Device is transmitting and/or
receiving data
flashes 1 time a
period
Device detects at least one
unauthorized MAC address (Port
Security Violation) and sends a trap.
1234
L/D
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