Maybe too many IP cameras have been installed on the LAN. Thus, NAT router is unable to support more cameras. You could turn off and on NAT router to clear out-of-date information inside the router.
1. Your connection to the device does not have enough bandwidth to support a higher frame rate for the streamed image size. Try reducing the video streaming size to 160x90 or 320x180 and/or disabling audio.
2. Audio will consume 32 kbps. Disable audio to improve video. Your Internet connection may not have enough bandwidth to support streaming audio from the device.
Due to the ICA-1200 series use the iron plate of back to heat sink that avoids high temperature result in unit crashing. We had done a temperature test for long time and not effect the function of ICA-1200 Series.
The device uses Category 5 UTP cable allowing 10/100BASE-TX networking within 100 meters.
Go to C:\Windows\Downloaded Program Files and check to see if there is an entry for the file "Web Watch2 Control". The status column should show "Installed". If the file is not listed, make sure your Security Settings in Internet Explorer are configured properly and then try reloading the device’s home page. Most likely, the ActiveX control did not download and install correctly. Check your Internet Explorer security settings and then close and restart Internet Explorer. Try to browse and log in again.
Maybe NAT router does not support UPnP function. Please check user’s manual of router and turn on UPnP function.
You can use the camera utility which is contained in the User’s Manual CD to search the ICA-HM136 on your network.