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4101 telephones have built-in diagnostic and testing capabilities to quickly isolate problems
affecting their operation.
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Whenever power is applied or a connection is made to the LAN or WAN, the phone
initiates a startup routine, with progress shown in the display. When the phone and
network are fully initialized, the idle display, indicating date and time, will be shown. In
cases where full initialization is not attained, the following displays or conditions will be
shown continuously until corrected.
Problem Observed
No display information is
shown
NO ETHERNET
CONNECTION
LINE ID=
DHCP4 ERROR
RETRYING
PHONE=
GATEWAY=
SUBNET=
UPDATE=
AUTH ID=
AUTH PASSWORD=
SIP PROXY=
13-280135 Rev. K
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Check power connections and source, or verify
connection to 802.3af-compatible PoE power source.
Check connections to the LAN or WAN.
The Line ID is a null value. Enter the appropriate Line
ID number.
Verify that the DHCP server is operating and
accessible. If the LAN or WAN does not include a
DHCP server, disable IP configuration via DHCP and
enter the appropriate IP values (phone, default
gateway, subnet mask, update) using the INSTL→IP
Menu.
The phone IP address is a null value. Enter the
appropriate phone IP address or name.
The default gateway IP address is a null value. Enter
the appropriate gateway IP address or server name.
The subnet mask is a null value. Enter the appropriate
subnet mask.
The update server IP address is a null value. Enter the
appropriate update server IP address or server name.
The AUTH ID is a null value. Enter the appropriate
AUTH ID.
The AUTH PSWD (password) is a null value. Enter the
appropriate AUTH password.
The Proxy server address is a null value. Enter the
appropriate Proxy server IP address or server name.
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Remedial Action
Page 55
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Table of Contents
Troubleshooting
