Panasonic KX-T336 System Reference Manual page 1139

When deleting or changing the pre-assigned card type, the conditions should be the
followings:
• The card status is OUS or Fault.
• All of the port data has been deleted.
However, if there exist port data, it is possible to change the cards as follows:
• PLC card HLC card
• SLC card HLC card
Deleting the ATLC card will be an error if there exist the following assignments:
• "Trunk Group (TG1)",
Incoming Mode (Day) is set to "1 (ATT)."
Intercept Routing (Day) is set to "A (ATT)."
• "Doorphone (DPH)",
Doorphone Assignment is set to "A(ATT)."
Deleting the DISA card will be an error if there exist the following assignments:
• "Trunk Group (TG1)",
Incoming Mode (Day) is set to "4 (DISA)."
Incoming Mode (Night) is set to "4 (DISA)."
Deleting the HLC, SLC, LCOT or GCOT card will be an error if there is the following assignment to the slot
to be deleted:
• "Power Failure Transfer (PFT)"
See Section 1-A-5.00 "Service Cards Description" for installing the cards in combination.
10-C-4
(70695)