IBM SAN128B-7 User Manual

Table 11. SFP-DD port status LED patterns during normal operation
LED color Status of hardware Recommended action
No light Port has no incoming power, or
there is no light or signal carrier
detected.
Verify that the power LED is on,
and check the transceiver and
cable.
Steady green Port is online (connected to
external device) but has no
trafc.
No action required.
Slow-flashing green (on for 2
seconds; then off for 2 seconds)
Port is online but segmented
because of a loopback cable or
incompatible device connection.
Verify that the correct device is
attached to the switch.
Fast-flashing green (on 1/2
second; then off 1/2 second)
Port is online and an internal
loopback diagnostic test is
running.
No action required.
Flickering green Port is online and frames are
flowing through the port.
No action required.
Steady amber Port is receiving light or signal
carrier, but it is not online yet.
No action required.
Slow-flashing amber (on 2
seconds; then off 2 seconds)
Port is disabled because of
diagnostics or the portDisable
command.
Reset the port.
Fast-flashing amber (on 1/2
second; then off 1/2 second)
SFP-DD or port is faulty. Reset the port.
Replace the SFP-DD. Must be a
Brocade-branded SFP-DD.
Nonport-side LED locations
The following gure shows the LEDs on the nonport side of the switch.
Chapter 6. Monitoring the device
51

IBM SAN128B-7 Specifications

General

Brand	IBM
Model	SAN128B-7
Category	Storage
Language	English