HP StorageWorks Core Switch 2/64 Getting Started & General Reference Guide

Operating the Switch 57
Left of each
port, lower
LED
Port
Status
and
Activity
No light
(LED is off)
Either the 16-port card does
not have incoming power or
there is no light or signal
carrier detected.
Verify that Power LED is
lit, and check transceiver
and cable.
Steady green Port is online (connected to
an external device) but has
no traffic.
No action required.
Slow-flashing
green:
on 1 second;
off 1 second
Port is online but
segmented, indicating a
loop back cable or an
incompatible switch.
Verify correct device is
connected to port.
Fast-flashing
green:
on 1/4 second;
off 1/4 second
Port is in internal loop back
(diagnostic).
No action required.
Flickering
green
Port is online, with traffic
flowing through port.
No action required.
Steady yellow Port is receiving light or
signal carrier, but is not yet
online.
No action required.
Slow-flashing
yellow:
on 2 seconds;
off 2 seconds
Port is disabled (diagnostic
tests or
portDisable
command).
Reset port from
workstation.
Fast-flashing
yellow:
on 1/2 second;
off 1/2 second
Transceiver or port is faulty. Change transceiver or reset
switch from workstation.
Alternating
green and
yellow
Port is bypassed. Reset port from
workstation.
Table 5. 16-Port Card LED Patterns
Location of
LED
Purpose
of LED
Color of LED Status of Hardware Recommended Action