JVC VN-E4U Instruction Manual - Page 5
Features, Restrictions on Clients
UPC - 046838021015
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Introduction (continued) Ⅵ Features Distribution of 4-channel images to the network VN-E4 compresses 4-channel video input images in the JPEG format. For VN-E4U, each channel may be distributed at a maximum rate of 30 fps. The maximum rate for 4 channels is 120 fps in total. For VN-E4E, each channel may be distributed at a maximum rate of 25 fps. The maximum rate for 4 channels is 100 fps in total. Either VGA or QVGA may be selected as the frame size. It is also possible to simultaneously distribute a video input in both types of frame sizes. Clients may be able to acquire these JPEG via TCP. Up to 10 JPEG or audio streams may be sent via TCP. For example, when acquiring 4 JPEG and 1 audio stream via TCP using the built-in viewer, a maximum of 2 built-in viewers may be connected to each VN-E4. Multicast transmission of JPEG is also possible with VN-E4. Multicast transmission of up to 10 streams is possible. Audio distribution to the network VN-E4 compresses 1-channel audio input in the µ-law format. Clients may acquire µ-law via TCP. Multicast transmission of µ-law is also possible with VN-E4. VN-E4 comes with a built-in echo canceller. Use this during bi-directional audio transmission. Reception and output of audio signals from the network VN-E4 enables output of µ-law received from the network as audio signals. Built-in Viewer VN-E4 comes with a built-in ActiveX viewer. Monitoring of VN-E4 images and audio using the PC is possible by installing this built-in viewer on the PC. Motion detect and alarm input VN-E4 is equipped with motion detect function that can detect motion in each video input. It also comes with a 4-channel alarm input. It is possible to invoke actions such as notification to clients, alarm output, sending of mails and JPEG file transfer during detection of motion or alarm input. Actions may also be invoked using a combination of 2 conditions. Controlling external devices connected to the serial port VN-E4 comes with 2 serial ports. It is possible to control external devices connected to the serial ports from the clients. Controlling external devices The built-in viewer of VN-E4 may be used to control JVC cameras and cameras that support the Pelco-D protocol. Restrictions on Clients VN-E4 can permit or deny access from clients based on registered IP addresses. 5