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EtherHub 1500 System User’s Guide
2-6 Hardware Description
Jabber
Color: Red
Label: Jabber
Function: Jabber lock-up indicator
Jabber refers to an abnormal Ethernet frame transmission. The
frames causing jabber are normally much too long. This may
result from a malfunctioning Ethernet card and may cause data
loss for all network users.
LED Activity Condition Indication
STEADY LIGHT ON Jabber exists on one or more port
connection (i.e., RJ-45 or ALT port).
NO LIGHT OFF No jabber occurring.
I
IMPORTANT
!
To identify the port causing the problem, check all existing
connections one by one, as follows:
1. Select a port to check.
2. Then unplug its cable connection while checking the Jabber display.
If the Jabber LED goes OFF, you have successfully identified the
defective port. However, if the light remains ON, the port is in good
condition.
3. Replug the cable connection, and select another port to test.
4. Repeat this procedure until you find the port causing the problem.