
KX-T336 Programmator supports following models: Panasonic KX-T336 and KX-TD500 (v1). Easy understandable interface and built-in installer's help-file let you to config and to program your PBX even without PBX Installation Manual.
To connect KX-T336/KX-TD500 PBX you will need null modem cable.

For ready cable search Google for "null modem cable +"DB-25M" purchase".
Attention! Cable has different connectors of 'female' and 'male' types (DB-9F and DB-25M).
If the computer is not equipped with serial COM-port (as many moderm laptops) then "USB to Serial Converter" may be used - for example, see TRENDnet USB to Serial Converter TU-S9
Sample screenshot (click to enlarge):

Try Programmator yourself - click here to download.