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2 – General Description
Fibre Channel Ports
59021-04 C 2-5
Q
Figure 2-5. SFP Transceiver
2.2.2
Port LEDs
Each data port has its own Logged-In LED and Activity LED as shown in
Figure 2-6. The Logged-In LED indicates whether the port and its connected
device are logged into the fabric, or if it is connected to another switch and they
are segmented. The Activity LED indicates the frequency at which the port
receives or transmits frames.
Figure 2-6. Port LEDs
2.2.2.1
Logged-In LED
The Logged-in LED indicates the logged-in or initialization status of the connected
devices. After successful completion of the POST, the switch extinguishes all
Logged-In LEDs. Following a successful loop initialization or port login, the switch
illuminates the corresponding logged-in LED. This shows that the port is properly
connected and able to communicate with its attached devices. The Logged-In
LED remains illuminated as long as the port is initialized or logged in. If the port
connection is broken or an error occurs that disables the port, the Logged-In LED
will flash. Refer to ”Logged-In LED Indications” on page 5-5 for more information
about the Logged-In LED.
Logged-In LED
(Green)
Activity LED
(Yellow)