Performance Considerations - Axis M3085-V User Manual

AXIS M30 Dome Camera Series
Troubleshooting
The camera can deliver more than four simultaneous streams provided the configuration of any additional stream is identical to any
of the first four streams. Identical configuration implies exactly the same resolution, frame rate, compression, video format, rotation
etc. For more information see the white paper "Max number of unique video stream configurations", available at axis.com.
Can't connect over port 8883 with MQTT over SSL
The firewall blocks traffic
using port 8883 as it's
deemed insecure.
The image is blurry (only applies to M3085-V)
The focus is set when the camera is manufactured, but the image can become blurry for different reasons. Try solving the issue in
the following order:
1. Clean the dome. See notice below for more information.
2. Clean the lens. See notice below for more information.
3. Turn the focus ring, see image below.
4. If the image is still blurry, contact Axis support. See Contact support on page 60.
NOTICE NO NO TICE TICE
• Be careful not to scratch, damage or leave fingerprints on the dome or the lens because this can decrease image quality. If
possible, keep the protective plastic on the dome until the installation is complete.
• Do not clean a dome or a lens that looks clean to the eye. Excessive cleaning could damage the surface.
• Never polish the dome or the lens.
• For general cleaning of the dome we recommend to use a non-abrasive, solvent-free neutral soap or detergent mixed with
pure water and a soft, clean cloth. Rinse well with pure lukewarm water. Dry with a soft, clean cloth to prevent water
spotting.
• For general cleaning of the lens we recommend to use a soft, clean cloth.
• Never use harsh detergents, gasoline, benzene, acetone, or similar chemicals.
• Avoid cleaning the dome in direct sunlight or at elevated temperatures.

Performance considerations

When setting up your system, it is important to consider how various settings and situations affect the performance. Some factors
affect the amount of bandwidth (the bitrate) required, others can affect the frame rate, and some affect both. If the load on the
CPU 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 the
bandwidth.
• Rotating the image in the GUI can increase the product's CPU load.
In some cases the server/broker might not provide a specific port for MQTT communication. It may
still be possible to use MQTT over a port normally used for HTTP/HTTPS traffic.
• If the server/broker supports WebSocket/WebSocket Secure (WS/WSS), typically on
port 443, use this protocol instead. Check with the server/broker provider to see if
WS/WSS is supported and which port and basepath to use.
• If the server/broker supports ALPN, the use of MQTT can be negotiated over an open
port, such as 443. Check with your server/broker provider to see if ALPN is supported
and which ALPN protocol and port to use.
Set focus using the focus ring.
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