Axis Q7411 User Manual
Also see for Q7411: User manualInstallation guideInstallation guide
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Contents
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AXIS Q7411 Video EncoderTechnical SpecificationsRS-485/422 connectorTwo 2-pin terminal blocks for RS-485/RS-422 serial interface. The serialport can be configured to support:• Two-wire RS-485 half duplex• Four-wire RS-485 full duplex• Two-wire RS-422 simplex• Four-wire RS-422 full duplex point to point communicationRX/TX TX1 2 3 4Function Pin NotesRS-485/RS-422 RX/TX A 1RS-485/RS-422 RX/TX B 2(RX) For full duplex RS-485/RS-422(RX/TX) For half duplex RS-485RS-485/RS-422 TX A 3RS-485/RS-422 TX B 4(TX) For full duplex RS-485/RS-422Performance ConsiderationsWhen settings up your system, it is important to consider how various settings and situations will affect performance. Some factorsaffect the amount of bandwidth (the bit rate) required, others can affect the frame rate, and some affect both. If the load on theCPU reaches its maximum, this will also affect the frame rate.The following factors are among the most important to consider:• High image resolution and/or lower compression levels result in images containing more data. Bandwidth affected.• Access by large numbers of Motion JPEG and/or unicast H.264 clients. Bandwidth affected.• Simultaneous viewing of different streams (resolution, compression) by different clients. Effect on frame rate andbandwidth.• Accessing Motion JPEG and H.264 video streams simultaneously. Frame rate and bandwidth affected.• Heavy usage of event settings affect the product’s CPU load. Frame rate affected.• Heavy network utilization due to poor infrastructure. Bandwidth affected.• Viewing on poorly performing client computers lowers perceived performance. Frame rate affected.58 |
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