Digital Trunk Failure (Out Of Synchronization) - Panasonic KX-T336 Installation Instructions Manual

3.35 Digital trunk failure (out of synchronization)

Error Code
Possible cause of
the malfunction
Countermeasures
N o t e
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T-l card (physical number xx) lost the synchronization with the clock time
sent from the Central Ofice.
Confirm that the setting of "Frame Sequence" and "Line
Cording" are matched with that of the leased lines.
If not, change the setting of your KX-T336 and
Then check the clock mode.
Check the cabling between 7-l and CSU' and "CSU
and NIU.' If not properly cabled, change the cabling.
Execute Loopback
Test Results NG
Replace the T-? card
Execute Loopback
O K
Or, check the equipment in other switching system which
Another T-l card with next priority will work as a master card, if more
than two T-l cards were registered to the system by CLP command
(Refer to Section 64.63) beforehand.
with the system internal clock.
14-E-37-1
(70695)M
CSU.
OK
NG
Test Results
OK
between KX-T336 and
NG
1
End
the system will synchronize
I