HP J2415A, Installation And Reference Manual

Page: 61 / 116

LED patterns indicating problems
Diagnostic Tips
Power Fault LAN
Ports
Security Module
LEDs
ON * OFF or
Flashing
for a
port in
use
* *
Link training has failed on the indicated port most likely because of
a faulty or improperly wired cable.
Check cabling on the indicated port.
Check the port status in HP Stack Manager to determine whether
link training failed due to a cabling or a capabilities configuration
error.
ON * * Flashing
Rapidly
*
An SNMP violation has occurred on a managed hub because an
unauthorized network management station tried to access the hub.
Use HP Stack Manager, HP Interconnect Manager, or the ASCII
console to view the Intruder Log and check the type of violation
that occurred.
When you are finished viewing the log, you can stop this Security
LED from flashing by clearing the violation if the intrusion has
stopped. If the Security LED continues to flash and the network
management station then check the authorized managers list to
see if other network management stations need to be added.
ON * Flashing
Rapidly
Flashing
Rapidly
*
A security violation has occurred on a secure port on a managed
or unmanged hub because of an address or training capabilities
violation. With HP Stack Manager, HP Interconnect Manager, or
the ASCII console, view the Intrusion Log.
When you are finished viewing the log, you can stop this Security
LED from flashing by clearing the violation if the intrusion has
stopped. If the Security LED continues to flash, then verify the
training capabilities on the hub port are what you want and if so
you may want to disable the port using the ASCII console, HP Stack
Manager, or HP Interconnect Manager.
ON Flashing * * Flashing
The transceiver does not sense link beat on the connected node.
See the module manual for troubleshooting information.
*This LED is not important or may be in an unknown state.
The slow flash rate is approximately once each 1.5 seconds, the rapid flash rate is approximately twice per
second.
For information on other LED indicators on the hub, refer to chapter 4, “Hub
Reference”.
T
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Troubleshooting
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