The GXV-3504 controls 4 Cam's also DOM Cam's and also has alarm inputs and outputs. The device must be intuitive from any browser running and configured.
Grandstream provides additional software for up for 36 cameras on the Web at no charge. One can analog and IP Cam to run across multiple site in mixed mode.
An app for Android rounds off the thing. Long-term storage is possible via external USB drives or NAS or FTP. Even the connection as a SIP telephone is possible when the camera provides this function.
Grandstream calls further details:
Features at a glance
advanced realtime H.264 multi-streaming, Motion JPEG with D1 resolution
4 analog video inputs (BNC) and 4 Überwachungsein- and outputs
Audio input and output, RS485 / 232, PTZ control
a pre-and post-event recording buffer (24MB) on each port
USB 2.0 and SD port for storage or wireless network card
integrated Power-over-Ethernet (802.3af), optional antenna for wireless network
integrated video analysis with motion (up to 16 target areas) & video loss detection
SIP / VoIP support for two-way audio communications and video streaming to mobile phones and video phones
built high-performance streaming servers for up to 12 D1 or 25 CIF viewer viewer simultaneously
Product enhancements via firmware update will automatically.
The devices remain lukewarm fan with continuous operation and can be powered via PoE Schwitch with electricity. One can thus easily installed in control cabinets or ceiling voids the device. Ordinary Switching Power Supplies are included.
The electricity bill is roughly reduced by 98%. It would be conceivable even a outdoor solution with a small solar panel, for wildlife observation in the wild, or the campground, the boat or or ... (The device is only as big as a normal book and aluminum)
Only wish for the German market would be a Sprachanspassung in German and an improved way of setting the SMTP function. Here are missing opportunities for a secure login at the provider for alarm e.mails (SSL or TLS).
This can certainly be solved with the Grandstream firmware update :-).
All in all a very economical and technically advanced solution that an eco +++ movie suggests.
As long as there's are analog cam that you want to run, this is probably the best device on the market.
It is also inexpensive and high-quality and stable.
An absolute buy recommendation.
The almost same device is also available with a port.