Axis M20 Series User Manual
Also see for AXIS M20 Series: Installation guide
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AXIS M20 Bullet Camera SeriesTroubleshooting• Live viewing in a web browser or other application• While recording - continuous or motion triggered recording• An event that uses images on the camera, for example an event that sends an e-mail with an image every hour• An installed and running application, such as AXIS Video Motion Detection, will always consume a video stream, whetherit is used or not. A stopped application does not consume a video stream.The camera can deliver more than four simultaneous streams provided the configuration of any additional stream is identical to anyof the first four streams. Identical configuration implies exactly the same resolution, frame rate, compression, video format, rotationetc. For more information see the white paper “Max number of unique video stream configurations”, available at axis.com.Problem with startupCold startup delayWhen the temperature is below -20 °C (-4 °F), the camera is first heated to approximately -20 °C (-4 °F) before it initializes.Performance considerationsWhen setting up your system, it is important to consider how various settings and situations affect the performance. Some factorsaffect the amount of bandwidth (the bitrate) required, others can affect the frame rate, and some affect both. If the load on theCPU reaches its maximum, this also affects the frame rate.The following factors are the most important to consider:• High image resolution or lower compression levels result in images containing more data which in turn affects thebandwidth.• Rotating the image in the GUI will increase the product's CPU load.• Access by large numbers of Motion JPEG or unicast H.264 clients affects the bandwidth.• Access by large numbers of Motion JPEG or unicast H.265 clients affects the bandwidth.• Simultaneous viewing of different streams (resolution, compression) by different clients affects both frame rate andbandwidth.Use identical streams wherever possible to maintain a high frame rate. Stream profiles can be used to ensure thatstreams are identical.• Accessing Motion JPEG and H.264 video streams simultaneously affects both frame rate and bandwidth.• Accessing Motion JPEG and H.265 video streams simultaneously affects both frame rate and bandwidth.• Heavy usage of event settings affects the product’s CPU load which in turn affects the frame rate.• Using HTTPS may reduce frame rate, in particular if streaming Motion JPEG.• Heavy network utilization due to poor infrastructure affects the bandwidth.• Viewing on poorly performing client computers lowers perceived performance and affects frame rate.• Running multiple AXIS Camera Application Platform (ACAP) applications simultaneously may affect the frame rate andthe general performance.Contact supportContact support at axis.com/support.50 |
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