MPEG-4 video surveillance
Mitsubishi Electric has released its range of MPEG-4 digital video recorders, the DX-TL304E, DX-TL308E and DX-TL5716E models which provide 24/7 video surveillance in a package that enables the flexibility to handle any type of installation.
The DX-TL304E is a four-channel recorder capable of 100 fps while the DX-TL308E records up to 200 fps over eight channels. The recorders are a replacement for older time-lapse VCR or other analog security systems in small to medium-sized installations. Both systems also support multiple protocols for the pan, tilt and zoom control of several brands of Dome camera. These systems also have an enhanced copy feature for simple download or backup of still and moving images.
The DX-TL5716E offers extra functionality compared with the other two models. This 16-channel recorder is highly scalable, allowing for up to 16 of the recorders to be networked together and controlled with a single centralised unit. This set-up is suitable for medium to large installations. Specialised software has also been developed for the remote monitoring of a site through a standard web browser. The DX-TL5716E is capable of recording up to 400 fps over 16 channels. The optimised MPEG-4 video compression used in the new range of recorders results in extended recording hours while still maintaining high picture quality. Hard drive configurations for 30-, 60-, 90- and 120-day recording periods are also available.
Up to two high-capacity hard disk drives can be installed in each unit for up to 1 TB of storage space (1.5 TB for the DX-TL5716E), with front access for maintenance or replacement. Storage capacity can be increased even further using the optional DX-ZD6UE hard drive extension units.
Other features include multi-level password protection, data tampering detection, two patterns per camera channel input for motion detection, audio recording, serial interface via RS232, XGA video output for the DX-TL308E and DX-TL5716E, support for SNTP (protocol for network-based time synchronisation).
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