Yes, all rhombuses are parallelograms, but not all parallelograms are rhombuses. This is because the definition of a parallelogram is more lenient than that of a rhombus, so you can have parallelograms where not all four sides are equal in length to each other.
HIKVISION iVMS-4500 is a mobile phone surveillance application just based on iPhone, which supports the full line of Hikvision products, including the DS-7000/8000 series DVRs (dual stream models), DS-7300/8100 series DVRs , DS-9000/9100 series DVRs, DS-6000/6100 series digital video servers, as well as network cameras and speed domes that support ...
I had a similar problem with hikvision. Try this: 1. Connect the cameras to the NVR, non LAN ports, 2. Connect NVR LAN port to your router, non-LAN port, 3. Turn on Upnp on the NVR, reboot NVR, 4. Turn on Upnp in your router, 5. Use your web browser and go to the IP of the NVR. 6.