IBM SAN256B-6, Installation, Service And User Manual

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Table 18. Extension blade LED descriptions (continued)
LED purpose Color Status Recommended action
FC port status No light (LED off) Port has no incoming
power, or there is no light
or signal carrier detected. Verify that the power LED
is on, check the transceiver
and cable.
Polling is in progress. Allow 60 seconds for
polling to complete.
Connected device is
configured in an offline
state. Verify the status of the
connected device.
Steady green Port is online (connected to
an external device) but has
no traffic. No action required.
Slow-flashing green (on 1
second, then off 1 second) Port is online but
segmented, indicating a
loopback plug or cable or
an incompatible switch. Verify that the correct
device is attached to the
chassis.
Fast-flashing green (on 1/4
second, then off 1/4
second) Port is in internal loopback
(diagnostic). No action required.
Flickering green Port is online, with traffic
flowing through port. No action required.
Steady amber Port is receiving light or
signal carrier, but it is not
online yet. Reset the port from the
workstation using the
portEnable or
portCfgPersistentEnable
command.
Slow-flashing amber (on 2
seconds, then off 2 seconds) Port is disabled due to
diagnostic tests or
portDisable or
portCfgPersistentEnable
command.
Reset the port from the
workstation using the
portEnable or
portCfgPersistentEnable
command.
Fast-flashing amber (on 1/2
second, then off 1/2
second) Transceiver or port has
error or is faulty. Change the transceiver or
reset the switch from the
workstation.
Alternating green and
amber Port is bypassed. Reset the port from the
workstation using the
portEnable
or
portCfgPersistentEnable
command.
Interpreting control processor blade LEDs
Refer to the following illustration and table to interpret the LED patterns on the CPX6 blade. The LED
patterns may temporarily change during POST and other diagnostic tests.
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SAN256B-6 Installation, Service, and User Guide