Meaning
LED Colour
LED type
Module is receiving the beacon signal.
Blue
LOCATE
Change in the DC-input power supply module’s
power button mode.
Blinks for 3 seconds.
Blinking Blue
Cisco Catalyst 9400 Series Switching Module LEDs
Table 25: Cisco Catalyst 9400 Series Switching Module LEDs
Meaning
LED Color
LED
All diagnostic tests have passed and the module is operational.
Green
STATUS
The module is booting or running diagnostics or the module
is disabled.
Amber
A test other than an individual port test has failed. On some
modules, this LED turns red immediately after the system is
powered on, until the software boot process begins.
Red
The module is disabled or is not powered up.
Off
Identifies the module receiving the beacon signal.
Blue
LOCATE
Port link is up but there is no packet activity.
Green
PORT LINK
Port link is up and indicating packet activity.
Blinking Green
Port link is disabled by the user, that is, administratively down.
Amber
Hardware (PHY) has detected a faulty port link.
Blinking Amber
Error packets are being detected on the port link. The error
packets could be bad Cyclic Redundancy Check (CRC)
packets, jumbo packets, and so on.
Alternating Green and
Amber
No signal is detected, the link is down, or the port is not
connected.
Off
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LEDs
Cisco Catalyst 9400 Series Switching Module LEDs
