HP J2415A Installation And Reference Manual page 61

LED patterns indicating problems
Power Fault LAN Security Module
Ports
ON * OFF or
Flashing
for a
port in
use
ON * * Flashing
ON * Flashing Flashing
Rapidly
ON Flashing *
*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".
LEDs
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.
An SNMP violation has occurred on a managed hub because an
*
unauthorized network management station tried to access the hub.
Rapidly
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.
A security violation has occurred on a secure port on a managed
*
or unmanged hub because of an address or training capabilities
Rapidly
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.
Flashing The transceiver does not sense link beat on the connected node.
*
See the module manual for troubleshooting information.
Troubleshooting
Diagnostic Tips
3-3