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Sito in italianoVideo signal transmission and networking    
Video Web servers

Reference technical notes

bulletIntroduction to cameras
bulletCompression standards

• Switchers, amplifiers • Motion detectors • Remote controls • Screen dividers • Video server • Twisted pair • Video over cellular • Stabilizers • Tracking •

• Axis video servers • Sony video server • Panasonic video server •

This device allows to connect a camera having an analog video output to a LAN network or to Internet

 

AX-241

1 and 4 input video servers

bullet1 or 4 channels video servers.
bulletHigh quality de-interlaced video at 30/25 frames per second per channel.
bulletBuilt in video motion detector.
bulletPre-post alarm buffer.
bulletSupport for PTZ and dome cameras.
bulletHTTPS encryption for network security.
bulletIntegrated two-way audio support (only AX-241QA/SA).
bulletInstallation tool on CD and Web-based configuration.
bulletConfiguration backup and restore.
bulletFirmware upgrades over HTTP or FTP.
bulletCamera live view, customizable HTML pages.
bulletPowerful API for software integration available on Axis Website. Including HTTP API, Axis Media Control SDK, event trigger data in video stream as well as alarm recording.
bulletWatchdog secures continuous operation, can be monitored by other systems via event notification.
bulletEmbedded operating system: Linux 2.4
 AX-241QAAX-241QAX-241SAAX-241S
Video channels41
Video compressionM-JPEG
MPEG-4 part 2 (ISO/IEC 14496-2) Profiles ASP e SP
Resolution

4CIF, 2CIFExp, 2CIF, CIF, QCIF
max 568 x 576; min 176 x 144 (PAL)

Frame rateM-JPEG: up to 30/25 fps at CIF
MPEG-4: 20/17 fps at CIF
M-JPEG: up to 30/25 fps at 4CIF
MPEG-4: 30/25 fps t 2CIF
Video streamingsimultaneous MJPEG and MPEG-4
controllable frame rate and bandwidth
fconstant and variable bit rate  (MPEG-4)
Image settingscompression levels: 11 (M-JPEG), 23 (MPEG-4)
rotation: 90°, 180°, 270°
aspect ratio correction
color: color or black/white
overlay capabilities: time, date, text or immage
De-interlace filteryes-yes-
AudioG.711 PCM 64kbit/sec, G.272 ADCPM 32 or 24 kbits, full duplex, half duplex, simplex or audio off-G.711 PCM 64kbit/sec, G.272 ADCPM 32 or 24 kbits, full duplex, half duplex, simplex or audio off-
Securitymultiple user access levels with password protection
IP address filtering and HTTPS encryption
Alarm and event managementevents triggered by built-in motion detection, external inputs or according to a schedule
image upload over FTP, E-mail and HTTP
notification over TCP, E-mail , HTTP and external outputs
pre and post alarm buffer of 9 MB per channel (approx. 4 min. of CIF video resolution at 4 fps)
Pan/tilt/zooma wide range of analog PTZ dome cameras is supported
free drivers available on Axis Web Site
20 presets/camera, guard tour, PTZ control
Connectorsanalog composite video, NTSC/PAL autosensing inputs
4 BNC input1 BNC input + 1 BNC output: loopthrough  or Y/C input
jack 3.5mm for Mic In (max 54 mVpp) or line-in (max 8.0Vpp, mono)
jack 3.5mm for line-out (max 2.6Vp-p, mono) to active speaker
 jack 3.5mm for Mic In (max 54 mVpp) or line-in (max 8.0Vpp, mono)
jack 3.5mm for line-out (max 2.6Vp-p, mono) to active speaker
 
Ethernet 10BaseT/100BaseTX, RJ-45
4 alarm input + 4 alarm output
RS-485/422 half duplex port
alternative power connection D-Sub for RS-232 port
HardwareCPU :ETRAX 100LX 32 bit
video processing and compression ARTPEC-2,
flash: 8 Mbyte
 battery backed-up by real time clock
RAM: 64 MBRAM: 32 MB
Protocols

HTTP, HTTPS, SSL/TTS, TCP, SNMPv1/v2vcv7v3 (MIB-II), RTSP, RTP, UDP, IGMP, RTCP, SMTP, FTP, DHCP, UPnP, ARP, DNS, DynDNS, SOCKS.

 General
Casingmetal, stand-alone, stackable or with brackets for wall or cage mount
Power supply7-20 Vdc/max 8W
Operating temperature~ +50°C
Operating humidity20% ~ 80% RHG non condensing
Dimensions
(H x W x D)
42 x 140 x 155mm
Weight540g excluding power supply
ApprovalsEN55024:1998+A1
EN 55022:1998  Class B,
 EN61000-3-2: 2000
EN61000-3-3: 1995+A1
FCC Part 15 Subpart B Class B,
VCCI Class B ITE, C-tick AS/NZS 3548,
ICES -003 Class B conpliance to EN-550022: 1998 Class B
Safety: EN 60950, UL, CSA
Included accessoriespower supply  9Vdc
mounting brackets
connector kit
CD with installation tool
software
user's manual

MPEG-4 decoder (Windows)
MPEG-4 licences(1 encoder, 1 decoder)
Optional accessoriescable adapter Y/C to BNC (AX-241SA/AX-241S only)
AX-292 network video decoder
MPEG-4 decoder 10 user license pack
Power over Ethernet splitters and midspans
IEEE 802.11g wireless bridge and access point  
Applicazioni opzionaliAxis Camera Station: software for recording and management up to 25 cameras. Advanced search tools, motion detection alarm and remote client included.

Axis Camera Recorder: viewing and event based recording of up to 16 cameras . Search tools and motion detection alarm included.

Axis Camera Explorer: basic software for viewing and manual recording of multiple cameras

 System requirements
for browser based viewing
Software Operating systems: Windows XP, 2000, NT4.0. Windows ME or 98; DirectX 9.0 or later;
Browsers: Internet Explorer 5.x or later
for other operating systems and browsers see Axis Web Site
HardwarePentium III CPU 500MHz or higher or equivalent AMD
128 Mb RAM
AGP graphic card, Direct Draw, 32Mb RAM

 

 

 

 

 

 
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