KX-TD Programmator supports following models: Panasonic KX-TD1232/KX-TD816/KX-TD308. It also may be used with KX-TA1232 PBX. 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-TD PBX you will need null modem cable.
For ready cable search Google for "null modem cable +DB25M purchase".
Attention! Cable has different connectors of 'female' and 'male' types (DB-9F and DB-25M). It is VERY IMPORTANT to use 'full-handshaking' null modem cable - otherwise it will not be possible to connect KX-TD PBX!
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
How to buy?
Using secure ShareIt! service, the price is $49