## Error Conditions

There are three areas where installers can troubleshoot problems before seeking assistance from the system or LAN administrator:

1. Check both the power and Ethernet wiring for the following conditions:

- Whether all components are plugged in correctly.
- Check LAN connectivity in both directions to all servers - DHCP, HTTP, HTTPS, DEFINITY®/MultiVantage.
- If the telephone is supposed to be powered from the LAN, ensure that the LAN is properly administered and is compliant with IEEE 803.3af.

2. If you are using static addressing:

- Use the View command to find the names of the files being used and verify that these filenames match those on the HTTP/HTTPS server. See The View Administrative Option for more information. Check the Avaya Web site to verify whether the correct files are being used.
- Use the ADDR option to verify IP addresses. See Static Addressing Installation for information.

3. If the 9600 Series IP Telephone is not communicating with the system (DHCP, HTTP, or Avaya Media Server), make a note of the last message displayed, as described in Table 2 and/or Table 3. Consult the system administrator.
4. If you expect the telephone to be IEEE-powered, verify with the LAN administrator that IEEE power is indeed supported on the LAN.