Model 2453 is a compact IP video server that captures and compresses analog audio and NTSC/PAL video and sends the resulting streams over Ethernet. It can simultaneously produce two output streams with independent resolutions, frame rates, and bit rates, allowing it to be easily tailored to match network capabilities and application requirements. It provides a number of advanced features including deinterlacing with motion artifact removal, real-time text overlay, and image rotation and mirroring.
Video can be output as an elementary stream or multiplexed. A variety of stream formats are supported, including MPEG-4 (.m4v) and H.264 (.264 or .h264) elementary streams, MP4 (.mp4) and MPEG-2 transport stream (.ts) containers, and MJPEG (.mjpg or .mjpeg). The transport stream uses AAC audio and H.264 or MPEG-4 ASP video.
The overlay generators can position up to 160 characters of text anywhere in the video frame. A unique text string, consisting of mixed constant and variable text, may be defined for each overlay generator. Text variables such as time, date, and frame count are automatically updated every video frame.
A flexible serial port, configurable as RS232, RS422 or RS485 is provided for camera PTZ control or general-purpose use. Several other peripherals can be easily added with an optional 2453TAS board:
Model 2453 can also perform as a decoder, receiving a compressed audio/video stream over the network and converting it to standard analog video and audio signals (decoding is guaranteed only for streams captured with the 2453).
The built-in web server allows device configuration and control, user management, and live stream previewing on any web browser.
Customization of the 2453 user interface is easy. Controls that are not required can be hidden and page headers can be replaced with custom graphics. See the instructions for complete details.
Model 2453 is available in four configurations:
* Currently under development. Please contact Sensoray regarding availability.
|Video & Audio|
|A/V Inputs||video: NTSC/PAL composite, 75 Ω
audio: line stereo, microphone mono.
|A/V Outputs||video: NTSC/PAL composite, 75 Ω (decoder or pass-through mode)
audio: line stereo.
|Video compression||H.264 (HP@L3), Motion JPEG|
|Audio compression||G.711 (A-law, µ-law), 8 kHz, 8 bits/sample
AAC-LC, 48 kHz, 32-512 kbps bitrate.
|Video capture resolutions||704×480, 352×240, 176×120 (NTSC)
640×480, 320×240, 160×120 (NTSC)
720×480, 360×240, 180×120 (NTSC)
704×576, 352×288, 176×144 (PAL)
720×576, 360×288, 180×144 (PAL)
|Frame Rate||H.264: 30/15/10/6 fps (NTSC),
25/12.5/8.3/5 fps (PAL).
|Video streaming||Up to 2 video streams with individually configurable compression types,
bitrates, resolutions and frame rates.
|Output stream formats||MPEG-TS, H.264 VES, MJPEG|
|Image adjustments and processing||Brightness, contrast, saturation, hue (NTSC)
rotation (90°, 180°, 270°), mirroring
interlacing artifacts removal
text overlay with optional auto timestamps
|Network security||Password protection; IP Address Filtering; Digest access authentication; User access log.|
|Network protocols||HTTP, RTP, RTSP, UDP|
|Alarm triggers||Video loss, GPI|
|Alarm actions||GPO activation, e-mail notification, HTTP, FTP upload.|
|General purpose I/O||1 optically isolated or galvanically coupled input
1 optically isolated output
(Requires optional 2453TA board).
|Power||1.7 W (typical), 2.2 W max, 5 V DC|
|Operating temperature||0 to 70 °C; -ET versions: -40 to 85°C|
|Dimensions||3“ x 4.125“ (without enclosure)|
|Mass||2453 (without enclosure): 74 g
2454: 17 g
|Options||2453TA termination board adds GPIO, USB host interface, real-time clock backup battery holder, SD card socket.|
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