Axis Q7900 Rack User Manual download pdf (Page 47)

AXIS Q7406 - Technical Specifications

General performance considerations

When setting up your system, it is important to consider how various settings and situations will affect performance. Some

factors affect the amount of bandwidth (the bit rate) required, others can affect the frame rate, and some will affect both. If

the load on the CPU reaches its maximum, this will also affect the frame rate.

The following factors are among the most important to consider:

• High image resolutions and/or lower compression levels result in larg

er images. Bandwidth affected.

• Access by large numbers of Motion JPEG and/or unicast H.264 clients. Bandwidth affected.

• Simultaneous viewing of different streams (resolution, compression, etc.) by differen

t clients. Bandwidth affected.

• Heavy usage of event settings affects the CPU load. Frame rate affected.

• Heavy network utilization due to poor infrastructure. Bandwidth aff

ected

• Viewing on poorly performing client PC lowers per

ceived performance. Frame rate affected.

Optimizing your system

To see the bandwidth and frame rate currently required by the video stream, the video encoder provides a tool that can be

used to display these values directly in the video image.

To do this, special format strings are added as part of a text

over

lay. Simply add #r (average frame rate in fps) and/or #b

(average bandwidth in Kbps) to the overlay.

For detailed instructions, please see the online help for Video &

Image > Text Overlay Settings, and the help for File Naming &

Date/Time Formats.

Important!

• The figures displayed here are the values as delive

red by the server. If other restrictions are

currently in force, (e.g. bandwidth limitation) these values might not correspond to those

actually received by the client.

• For Motion JPEG, these values will only be accurate as long as no frame rate limit has been specified.

Power 12 V DC, max. 15.4 W

Connectors • 6 analog composite video BNC input, NTSC/PAL auto-sensing

• 1000BaseT Ethernet

• Terminal block for up to 12 configurable external inputs/outputs and up to 6 RS-485 half

duplex,

depending on the rack

• Connectors, terminal block

Operating conditions • 0-45 °C (32-113 °F)

• Humidity 20-80% RH (non-condensing)

Approvals • EN 55022 Class B, EN 61000-3-2, EN 61000-3-3, EN 55024,

• EN 61000-6-1, EN 61000-6-2, FCC Part 15 Subpart B Class B,

• ICES-003 Class B, VCCI Class B, C-tick AS/NZS CISPR 22,

• EN 60950-1

Dimensions (HxWxD) 30 x 130 x 255 mm (1.2” x 5.1” x 10.0”) excluding connectors

Weight 270 g (0.6 lb.)

Included accessories • Installation Guide

• CD with installation and management tools, software and User’s Manual, 6

Windows decoder

user licenses

Video management

software (not incl.)

• AXIS Camera Station - Video management software for viewing, recording and archiving up to

25 cameras

See www.axis.com/partner/adp_partners.htm for more software applications via partners

Item Specification

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Axis Q7900 Rack User Manual Page 47

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