Sony PCS-1 Operating Instructions Manual page 256

Symptom
No picture.
No connection.
256
Troubleshooting
Cause
The selected picture source is not
tuned on.
Video input is not selected properly. Select the video input with the
The selected picture source is not
correctly connected to the System.
A voice meeting is held.
Movement of the camera is
prevented.
Wrong number was dialed.
The setting of "Line I/F" is not
correct.
The registered items in the Phone
Book are not correct.
Some of the system settings are not
correct.
The IP address and network mask
are not set correctly (when using
LAN).
The LAN or ISDN cable is
disconnected.
The LAN or ISDN cable is
connected to the incorrect
connector.
The LAN or ISDN cable is down.
The cable exclusively designed for
the ISDN connection is used for
LAN connection (when using
LAN).
Incorrect type of cable (cross or
straight cable) is used for the LAN
or ISDN connection.
The DSU is turned off.
If you disconnect the
communication with an abnormal
procedure, e.g., unplugging an
ISDN cable or turning off the
system during communication, you
may not connect to the ISDN line
for a while (when using ISDN).
Solution
Turn on the selected video equipment.
VIDEO INPUT SELECT button
(page 111).
Check the connections (page 137).
This is not a malfunction.
Turn off the Communication
Terminal, then turn it on again.
Check the entered number.
Set "Line I/F" to correct interface
referring to "Calling a Remote Party"
(page 86).
Register the party correctly referring
to "Registering a Remote Party –
Phone Book" (page 68).
Set the system settings correctly
referring to "Registering Local
Information" (page 42).
Ask the system administrator to set
them correctly (page 57).
Connect correctly (pages 25, 26).
Connect correctly (pages 25, 26).
Replace the cable with a new one.
Use the cable for LAN connection.
Use the correct type of cable.
Turn on the DSU.
Turn off the power of the system and
wait for a few minutes before turning
it on again.