Service manual

4
Obtaining Port Diagnostic Information
4-11
Repair Information
• EOF - The end of frame character (hexadecimal).
• Payload Size - The size of frame payload in bytes.
• Header - 24-byte frame header (hexadecimal).
• Payload - The first 32 bytes of frame payload (hexadecimal).
Obtaining Port Diagnostic Information
Fibre Channel port diagnostic information can be obtained by:
• Inspecting port LEDs at the port card faceplates or emulated port
LEDs at the Element Manager Hardware View.
• Inspecting parameters at the Element Manager application.
• Inspecting parameters at the EFCM Basic Edition interface.
Port LED Diagnostics
To obtain port operational information, inspect port LEDs at the
director port card faceplate or the emulatedport LEDs at the Element
Manager HardwareView. These port operational states are defined in
Table 4-2.
Table 4-2 Port Operational States
Port
State
Green
LED
Amber
LED
Alert
Symbol
Description
Online On Off None An attached device is connected to the director and
ready to communicate, or is communicating with other
attached devices. If the port remains online, the green
port LED remains illuminated. At the director port card,
the green LED blinks when there is Fibre Channel traffic
through the port.
Offline Off
Off
Off
Off
None
Yellow Triangle
The director port is blocked and transmitting the offline
sequence (OLS) to the attached device.
The director port is unblocked and receiving the OLS,
indicating the attached device is offline.
Beaconing Off or On Blinking Yellow Triangle The port is beaconing. The amber port LED blinks once
every two seconds to enable users to locate the port.
Invalid
Attachment
On Off Yellow Triangle The director port has an invalid attachment state. The
reasons for this state display in the Reasons field of the
Port Properties dialog box.