Chapter 6: Troubleshooting
204 SBU errors
An ISDN
connection
cannot be
established
The cable is not
properly
connected.
Connect the cable.
You have
connected to the
LAN interface.
Connect the cable to the
interface marked ISDN.
The cable type or
connector type is
not correct.
For information on the correct
type of connector and cable,
refer to the installation manual.
Incoming phone
calls: The call type
used for the call is
not selected in the
web interface.
Make sure the call type used for
calls to the system is selected in
the web interface. Access the
web interface and select
SETTINGS > ISDN. Then
select the call type for incoming
calls.
A LAN
connection
cannot be
established.
The cable is not
properly
connected.
Connect the cable.
You have
connected to the
ISDN interface.
Connect the cable to the
interface marked LAN.
The cable type or
connector type is
not correct.
For information on the correct
type of connector and cable,
refer to the installation manual.
Problem Possible Cause Remedy
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