Axis 213 PTZ Brochure

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february 2005securityinstallerA LITTLE OVER A YEAR AGO IN OUR BENCH TESTof the Axis 2130 network camera, we concludedthat the technology was still a work in progress.Whilst that model had a few rough edges, it wassufficiently well developed for it to be consideredan alternative to cabled CCTV and a valuable newresource in its own right. How time flies...Outwardly, its successor, the Axis 213 – whichwe are looking at here – appears to be almostidentical, but like the network camera and remotesurveillance market as a whole, there has been alot of activity behind the scenes.The 213 is an altogether more refined product,and we’re gratified to see that some of oursuggestions from the previous review have beenincorporated into the new design – but moreabout those later.The general specification, however,remains largely unchanged, basedaround a stylish looking camera modulewith autofocus lens and built-in zoom,mounted on a compact pan/tiltmechanism.The camera has its own IP (InternetProtocol) address so it can connectdirectly to a computer network,effectively acting as a self-contained‘website’, enabling any PCconnected to a local area network(LAN) or the internet – withappropriate authorisation – toremotely view images and controlthe camera via standard webbrowser software.In addition to cameraoperations and housekeeping,the camera’s setup menu alsocontrols alarm functions andscheduling, plus alarmnotification and image uploadingvia email, TCP or HTTP.Key differences between the old andnew models include a change from a 16x opticalzoom to a combination zoom with 26x opticaland 12x electronic magnification.Low light performance has been improved,from 6 lux down to 1 lux in normal operation,with manual or scheduled day/night switching,from colour to black and white, with a sliding IRcut filter. The camera module now has 0 luxfunctionality via an on-board IR illuminator, or itcan control an external IR lamp for widerarea coverage.Image resolutions and refresh rates have beenrationalised and bought into line with industrystandards. In PAL mode there are five choicesbased on the Common Interface Format (CIF)of 4CIF, 2CIF, CIF and QCIF, which translates tobetween 768 x 576 and 176 x 144 pixels at25 frames per second.The compression ratio, which determinesimage quality and file size, has five preset levels,and Axis continues to use well established MJPEGcompression – but by the time you read this asoftware upgrade should be available to allowit to use the more efficient MPEG4 system.This should result in better image quality athigher compression levels and improved networkaccess. Exposure, white balance and backlightcompensation can be left in the hands ofautomatic systems or configured manually fromthe camera’s setup menus.PTZ functions have been slightly simplified,and the 213 has 20 preset positions (as opposedto 40 on the 2130) and one programmablesequence, but the range of movement remainsthe same, with a maximum pan angle range of340 degrees and tilt angle of 100 degrees.Up to 20 remote ‘viewers’ can connect tothe camera simultaneously; access is passwordprotected and IP filtered. An unlimitednumber of connections can be madewhen using MPEG4 or an optionalrelay server.The image buffer memory,which stores pre and post-eventimages, has been increased from 4 to6Mb. The 213, like its predecessor, usesa stripped down version of the Linuxoperating system, which continuesto enjoy an excellent reputationfor reliability and stability.We are very pleased to seethat Axis has responded toour request to include afacility to invert theimage from the setupmenu, so it can be usedin both ceiling mountand ‘table top’configurations; the2130 was available intwo separate versions.Installation is now simpler andquicker – another gripe we hadwith the 2130 – and the assignmentof IP address and network settings iscarried out from a simple Windows basedutility included on the CD-ROM thataccompanies the camera. This also means themanuals (printed and on disc) are shorter and alot easier to get to grips with.Whilst the external appearance remains prettymuch the same, there have been some importantchanges under the bonnet. The most significantone is the switch to direct worm gear drive forboth pan and tilt mechanisms. Previously thepanning action was belt-driven, which we surmisehas enhanced positional accuracy, and speed, andWhat our experts say …The bench test [1]Network upgradeThe 213 PTZ Network Camerafrom Axis has matured nicely

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