Dtmf Generator Failure (Cot Card) - Panasonic KX-T336 System Reference Manual

3.27 DTMF generator failure (COT card)
Error Code
Possible cause of
the malfunction
Countermeasures
80 xx
xx= 01 to 42 : Slot number
1) DTMF generator on the LCOT/GCOT card is defective.
2) DTMF signal transmission path is defective.
Set the smallest physical extension
number (SLC/HLC) port to OUS,
enter port test command for 2 ports
(COT-SLC)
Pass
Fault
v
L
Set the related port to INS
I
v
v
Confirm that a CO outgoing call
Perform thesame test for
through the faulty port is possible
other SLCYHLC cards
from
OK NG
Fault
Pass
V
v
Replace the COT card
II
Replace the faulty card
I
.-
+, ^
I
None
14-E-30