Firstly you will need to login to the unit , go to System -> Digital -> Channel type, then select the configuaration that supporst IP. An IP camera is then connected to this unit via it's RJ45 (lan port) using a network switch or POE switch.
can you use analogue cameras lower than 960h capability on this dir?
Yes these will be compatible with this DVR.
How many IP cameras can be configured onto this unit and does it provide POE?
This can do up to 16 IP cameras depending on the configuration and does not provide POE
Does this camera require a seperate power supply or can we use PoE supply
from the 8chn Genesis NVR
The IPTZ-P400-10X does require its own dc power supply , this model does not support PoE.
Are these POE cameras?
Yes indeed there is the option to power these cameras via POE.