
Chapter 6: Maintenance and troubleshooting
98-141368-A 95
A Phone connection
cannot be established.
The cable is not properly
connected.
Connect the cable.
The cable type or
connector type is not
correct.
For information on the correct type
of connector and cable, refer to
Phone interface on page 25.
A LAN connection
cannot be established.
The cable is not properly
connected.
Connect the cable.
The cable type or
connector type is not
correct.
For information on the correct type
of connector and cable, refer to the
installation manual.
The connected equipment
is set up to use a static IP
address and
1. the IP address is
reserved for internal
use in the terminal, or
2. the terminal is set up to
assign a dynamic IP
address to the
equipment.
Do one of the following:
1. Change the IP address of the
connected equipment to an IP
address that is not reserved. See
List of reserved subnets on
page 109.
2. Set up the equipment to use a
dynamic IP address, or disable
DHCP in the terminal. See To
configure the LAN interface on
page 68.
An IP handset
connection cannot be
established.
The cable is not properly
connected.
Connect the cable.
There is no power (PoE) in
the LAN interface. The
reason may be that there is
not enough power to
supply PoE for the LAN
interface.
Check that the input voltage is
within the specified range
(10.5 - 32 V DC; 11.5 A - 4 A).
Check that you do not have too
many power-consuming devices
connected. The maximum available
output power on the LAN (PoE)
interface is 32 W.
If possible, disconnect other
connected devices.
Problem Possible cause Remedy
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