Thank You @ jakaskerl,
I run the device_manager.py script and check with both steps
1: Disabling other internet interfaces
2: enable a wifi within same range of camer
but still, i cannot get any information about my camera. Below is the rsult of device
_manager.pyscipt,

Below is the setup connection of camera. POE Converter is plugin the main switch and then my camera is connected to the POE Converter and the Ethernet cable of POE converter ois connected to my laptop.

Thank You,
Waiting for your response