Axis Communications 2120 user manual Symptoms, Possible Causes and Remedial Actions

56 Troubleshooting AXIS 2120 User’s Manual

Symptoms, Possible Causes and Remedial Actions

Symptoms	Possible causes	Remedial actions
The AXIS 2120 cannot be	The IP address is already	Run the PING utility (as described in PINGing Your IP Address, on
accessed from a browser.	used by another device.	page 55) and follow the appropriate recommendations.
		Note: The assigned IP number can be assumed valid if the PING
		utility returns “request timed out” - in which case you should set
		the IP address again, power on the AXIS 2120 and then try access-
		ing the unit again.
	The IP address is located	Run the PING utility (as described inPINGing Your IP
	on a different subnet.	Address, on page 55). If the utility returns “no response” or
		similar, the diagnosis is probably correct - you should then
		proceed as follows:
		In Windows, check that the IP address for your AXIS 2120 is on the
		same subnet as your workstation. Exactly how this is done varies
		from one version of Windows to another. See Windows’ help for
		more information.
		If your AXIS 2120 is on a different subnet than your workstation
		you will not be able to set the IP address from this workstation.
		Contact your network administrator.
	In Windows 95, the ARP	In Windows 95, the ARP command cannot be used if you
	table was empty when	have an empty ARP table.
	you tried to set the IP	If the table is empty, re-install the product ensuring that the IP
	address.
		address for your own PC is also used. Type arp -a to view the ARP
		table.
		Note: The AXIS IP Installer provides a good alternative to ARP.
	Possible problem with your	Try disabling the proxy default in your browser.
	proxy server.
	Other networking problems.	Try replacing your network cable.
		Test the network interface of the product by connecting a local
		computer to the unit, using a standard Crossover (hub-to-hub)
		Cable.
		If the above actions do not resolve the problem, the AXIS 2120 may
		be faulty. In this case, try to localize the problem by connecting the
		AXIS 2120 to the serial port of a local computer, using the supplied
		Null Modem Cable; and report your findings to your local distribu-
		tor.
	Faulty power supply.	Verify that you are using an AXIS PS-D power supply.
The Power indicator is not
constantly lit