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Managing the MSA SAN Switch 2/8
47
MSA SAN Switch 2/8 Installation Guide
Port Status LED Definitions
Table 6: Port Status LEDs
LED Color
Hardware Status
Recommended Action
No light
No signal or light carrier
(media or cable)
detected.
Check media and cable.
Steady green
Port is online (connected
to external device) but
shows no traffic.
No action required.
Slow-flashing green
(on 1 second;
off 1 second)
Port is online, but
segmented, indicating a
loopback cable or
incompatible switch.
Verify correct device is
connected to the port.
Fast-flashing green
(on 1/4 second;
off 1/4 second)
Port is in internal
loopback (diagnostic).
No action required.
Flickering green
Port is online.
No action required
Steady amber
Port is receiving signal
carrier, but is not yet
online.
No action required.
Slow-flashing amber
(on 1 second;
Off 1 second)
Port is disabled (result of
diagnostics or
portDisable
command).
Enable port (can use
PortEnable
command;
refer to the HP
StorageWorks Fabric OS
Reference for more
information).
Fast-flashing amber
(on 1/4 second;
off 1/4 second)
Port is faulty.
1. Check port status LEDs,
error log, and cable or
loopback plug.
2. Clear the error log.
Alternating green and
amber
Port is bypassed.
Check configuration of
the Fibre Channel loop.