Service manual
4
Port LED Diagnostics
4-9
Repair Information
Offline Off
Off
Off
Off
None
Yellow Triangle
Port is blocked and transmitting the offline sequence (OLS) to
attached device.
Port is unblocked and receiving the OLS, indicating attached
device is offline.
Beaconing Off, On, or
Blinking
Blinking Yellow Triangle Port is beaconing. Amber LED blinks once every two seconds
to enable users to locate port.
Invalid
Attachment
On Off Yellow Triangle Port has an invalid attachment. Reason appears as
supplementary data in the Event Log.
Link
Incident
Off Off Yellow Triangle Link incident occurred. Reason appears in the Link Incident
Log.
Link Reset Off Off Yellow Triangle Product and attached device are performing a link reset to
recover the connection. Transient state that does not persist.
No Light Off Off None No signal (light) is received at product port. Normal condition
when no cable is attached to port or when attached device is
powered off.
Inactive On Off Yellow Triangle Port is inactive. Reason appears at Por t List View or Port
Properties dialog box.
Not
Installed
Off Off None Optical transceiver not installed in the port.
Not
Operational
Off Off Yellow Triangle Port is receiving the not operational sequence (NOS) from
attached device.
Port Failure Off On Red and Yellow
Blinking Diamond
Port failed and requires service.
Segmented
E_Port
On Off Yellow Triangle E_Port segmented, preventing connected switches from
forming a fabric. Reason appears as supplementary data in
the Event Log.
Tes tin g O ff
On
Blinking
Blinking
Yellow Triangle
Yellow Triangle
Port is performing an internal loopback test.
Port is performing an external loopback test.
Table 4-1 Port Operational States (continued)
Port
State
Green
LED
Amber
LED
Alert
Symbol
Description