Technical data

Brocade VDX 6720 Hardware Reference Manual 25
53-1002084-06
LED activity interpretation
4
Table 4 describes the LEDs on the non-port side of the switches.
Ethernet
Activity
(Management
and LOMM
[Remote
Lights Out]
port) (one LED
[green])
Off (no light) There is no activity. No action required.
Blinking green There is activity (traffic). No action required.
Optical media
port status
(one bicolor
LED [green
and amber] for
each 10 GbE
port)
Off (no light) No light or signal carrier on the
media interface.
Verify that the transceiver is installed
correctly and that the cable is
connected correctly.
Steady green Link is present. No action required.
Flickering green Online, frames flowing through
port.
No action required.
Steady amber Carrier (light) is present, but not
online.
No action required.
Fast blinking amber
(1/2 second
interval)
Port is faulted. Change the transceiver or reset the
switch from the workstation.
Slow blinking amber
(2 second interval)
Port disabled. Enable the port.
TABLE 4 Non-port side LED patterns during normal operation
LED name LED color Status of hardware Recommended action
Power supply and
fan assembly
status (one LED
[green] per power
supply and fan
assembly)
(Brocade VDX
6720-24)
Off (no light) Assembly is not receiving power
or is turned off.
Verify the assembly is on and seated
and the power cord is connected to a
functioning power source.
Steady green Assembly is operating normally. No action required.
Blinking green One of the following may have
occurred:
• Mismatched airflow on
power supply and fan
assembly on the Brocade
VDX 6720-24.
• One or more of the fans in
the fan assembly has failed
or the power supply has
failed.
• The power cord has been
unplugged.
Take one of the following actions:
• Replace power supply and fan
assembly with a power supply and
fan assembly that has correct
airflow direction. Replace if
necessary.
• Replace the power supply and fan
assembly.
• Check the power plug.
TABLE 3 Port side LED patterns during normal operation (Continued)
LED name LED color Status of hardware Recommended action