Panasonic KX-T336200 Installation Instructions Manual page 272

(2) External clock down
Error Code
Possible cause of
the malfunction
Countermeasures
Note
0301
1) TSW card connection error
2) TSW card clock link failure (External)
"TSW external clock down "has occurred, and the T-l master card
does not synchronize with the clock time sent from the Central office.
Is the trouble registered in the Error
Another T-l card v&h 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
64.03) beforehand. Othennrise, the system will synchronize with the system
internal clock.
14-E-6-1
Replace the T-l card.
l
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OK
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