Features: * Up to 128 channel real-time pictures displaying and compressing. * Up to 128 channel external alarming devices and support multiple protocols at the same time. * Parallel operation capability to deal with multiple tasks. * Vectorial and multilayer electronic map to indicate the alarm and transfer the pictures. * Powerful Disk Management: The recording files of certain channels can be saved to appointed Disk. Three kinds of cleaning modes can be chosen to satisfy user? different demands-----time priority, type priority and non-cleaning. * Control all the hardware at the server end through the network. * Configure the operation parameters required by the server through the network. * Transfer the alarming signals, alarming video records and alarming pictures. * Support email alarming.(supported by the Large Scale Network Version). Store all the video records in the appointed network-storing server. * Multiple logs: System log, network log, operation log, alarming log, login log. * Management of the right to access variable logs: Accompanied the user management, Low-level user can not look through the logs of the high-level user. * Multiple levels of password protection is available, preventing unauthorized user or tampering with the system