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Table
5-2. Box Status (OK LEDs)
Green
Yellow
Meaning
On
Off
Unit is operational
Off
On
During POST, DRAM test is running
Blinking
Blinking
Boot code or POST is running. If the blinking lasts for more
than 2 minutes, unit not operational; for the cause of this
hardware failure, go to “LCD and LED Codes” on page 5-14.
On
On
If this LED state lasts for less than 30 seconds, the operating
system is initializing during bringup.
If this state lasts for 30 seconds or more, the unit is not
operational. For the cause of this hardware failure, go to
“LCD and LED Codes” on page 5-14.
On
Blinking
Unit is executing beacon recovery.
Off
Off
If indicators remain off for more than 2 minutes, unit is not
operational.
Ring Speed
Table
5-3. Ring Speed (Green LED)
State
Meaning
On
16-Mbps ring speed
Off
4-Mbps ring speed
Port Status
One green and one yellow LED is associated with each port; they are located
above each port.
Figure
5-3. Port Status LEDs
These status descriptions are valid only when:
¹
The power indicator LED is on
¹
The box status green LED is on
¹
Box status yellow LED is not on
Chapter 5. Problem Determination Procedures
5-3
Summary of Contents for 8239 Token-Ring Stackable Hub
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