Appendix 5: Troubleshooting
98-126882-B
Troubleshooting guide
117
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
terminal is selected in the web interface.
Access the web interface and select
SETTINGS
>
ISDN
. Then select the call type
for incoming calls.
No phones are
ringing on incoming
calls
The Mute function is
activated from an
external device
connected to the I/O
interface of the terminal.
If the Mute function should not be
activated, deactivate it from the external
device.
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.
Problem
Possible Cause
Remedy
Summary of Contents for Explorer 727
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