HP J3188A manual Using a Checklist to Diagnose the Hub, Problem Solution

Troubleshooting

Using a Checklist to Diagnose the Hub

Using a Checklist to Diagnose the Hub

Use the following table to diagnose the problem with your HP Hub-16M.

	Problem	Solution
	How do I reset the hub?	Remove the plug on the power cord from the
		power source and reconnect it.
	None of the LEDs are on.	Verify that the power cord is plugged into an
		active power source and to the hub. Make sure
		these connections are snug. Try power cycling
		the hub by unplugging and plugging the hub
Troubleshooting		back in.
		If the Power LED is still not on, verify the AC
		source works by plugging another device into
		the outlet. Or try plugging the hub into a different
		outlet or try a different power cord.
		If this condition persists, call your
		HP-authorized LAN dealer or HP representative
		for assistance.
	I lost the password.	Press the password reset button for 10 seconds.
		See page 2-4 for more details.
	IP configuration errors have been	Use the ASCII console’s IP Configuration
	reported.	function as described in the chapter 3,
		“Managing the Hub.”
	I want to see if each cable is connected	Run TEstlink. See the command description in
	correctly.	chapter 3, “Managing the Hub.”
	A user can’t send data to another user.	Use the Connectivity tests in the ASCII console
		or in CiscoView to test the cabling. The tests are
		described in this chapter.
	The Fault LED is on.	Remove the plug on the power cord from the
		power source and reconnect it. If problem
		persists, the device has an internal failure.
		Contact your HP authorized dealer or reseller.
	The Security LED is flashing. How do I	Use the ASCII console or CiscoView to view the
	get it to stop?	intruder log and clear the security violations.

Most problems with the hub can be diagnosed using the LEDs on its front panel. The following section describes the normal LED pattern during self- test, and LED patterns that indicate error conditions on the hub.

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