2-5
PCS-1/PCS-1P
YES
NO
NO
Turn on power switch on side panel.
Connect them properly.
YES
NO
YES
Is power
turned on when I/O
button of remote controller
is pressed?
Are
communication terminal
and ISDN unit properly
connected?
Does POWER
(amber) lamp light?
SS-03
Communication terminal is defective.
Proceed to 2. The power is not
turned on even if the I/O button of a
remote controller is pressed.
Connect it properly.
NO
YES
Is ISDN
modular cable properly
connected to IDSN
unit?
ISDN unit or ISDN
line is defective.
NO
YES
Does STATUS
lamp of terminal, to which
ISDN modular cable of ISDN
unit is connected,
light in red?
Communication terminal or
ISDN unit is defective.
NO
YES
Does STATUS
lamp of ISDN unit blink
in green?
3. The power is not turned on during automatic incoming. (ISDN)