SB2A-16A Qlogic Corporation, SB2A-16A Datasheet - Page 29
SB2A-16A
Manufacturer Part Number
SB2A-16A
Description
Development Tools, SANbox 16-port Switch
Manufacturer
Qlogic Corporation
Datasheet
1.SB2A-16A.pdf
(196 pages)
- Current page: 29 of 196
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2.2.1
Port LEDs
2.2.1.1
Logged-In LED
2.2.1.2
Activity LED
59021-06 A
Each Fibre Channel port has its own Logged-In LED and Activity LED as shown in
Figure
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
about the Logged-In LED.
The Activity LED indicates that data is passing through the port. Each frame that
the port transmits or receives causes this LED to illuminate for 50 milliseconds.
This makes it possible to observe the transmission of a single frame. When
extending credits, the Activity LED for a donor port will reflect the traffic of the
recipient port. Refer to
extended credits and donor ports.
2-5.
Logged-In LED
(Green)
”Logged-In LED Indications” on page 5-5
Figure 2-5. Port LEDs
”Distance” on page 3-6
Activity LED
(Amber)
for more information about
2 – General Description
for more information
Fibre Channel Ports
2-5
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