Sony PCS-1 System Integration Manual page 35

3. The power is not turned on during automatic incoming. (ISDN)
Communication terminal is defective.
PCS-1/PCS-1P
SS-03
Does POWER
(amber) lamp light?
YES
Is power
turned on when I/O
button of remote controller
is pressed?
YES
Are
communication terminal
and ISDN unit properly
connected?
YES
Does STATUS
lamp of ISDN unit blink
in green?
YES
Is ISDN
modular cable properly
connected to IDSN
unit?
YES
Does STATUS
lamp of terminal, to which
ISDN modular cable of ISDN
unit is connected,
light in red?
YES
NO
Turn on power switch on side panel.
NO
Proceed to "2. The power is not
turned on even if the I/O button of a
remote controller is pressed".
NO
Connect them properly.
NO
Communication terminal or
ISDN unit is defective.
NO
Connect it properly.
NO
ISDN unit or ISDN
line is defective.
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