| Hi Carl I am new user in pbx system. There is a kx-TDA318al Trunk card and KX-TDA3171 extention Card on the separate box. Can you please giving a few brief introduction about wiring installation. What if, i install the trunk card and kx tda3171 into the pbx box, and connecting pstn cable into the trunk card and extention into the kx-tda3171, am i right. Is that pbx ready to power on and configure with the above connection. Once again, sorry i am a new user in pbx and want to know about how to make it work. Thanks for your kind attention. Regards Kholid |