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AXIS 241Q/S/QA/SA - Technical Specifications
Technical Specifications
Item
Specification
Models
• AXIS 241S: 1-channel video server
• AXIS 241Q: 4-channel video server
• AXIS 241SA: 1-channel video server with audio
• AXIS 241QA: 4-channel video server with audio
Video compression
• Motion-JPEG, including single snapshot JPEG images.
• MPEG-4 Part2 (ISO/IEC 14496-2), Profiles: ASP and SP
Resolutions
• 4CIF, 2CIF Expanded, 2CIF, CIF, QCIF
• Maximum 768x576 (PAL) 704x480 (NTSC)
• Minimum 176x144 (PAL) 160x120 (NTSC)
Frame rates
• Motion JPEG: up to 25/30 fps in 4CIF (1 channel),
up to 25/30 fps in CIF (4 channels)
• MPEG-4: up to 25/30 fps in 2CIF (1 channel),
up to 17/20 fps in CIF (4 channels)
Video streaming
• Simultaneous Motion JPEG and MPEG-4
• Controllable frame rate and total bandwidth
• Constant and variable bit rate (MPEG-4)
Image settings
• Compression levels: 11 (Motion JPEG), 23 (MPEG-4)
• Rotation: 90
o
, 180
o
, 270
o
• Aspect ratio correction
• Color and black/white
• Overlays: time, date, text, image
Audio features
Full-duplex audio. Select the encoding format from System Options:
ADPCM format at 24kbps, 8 kHz sampling (G.726 - select G723 from drop-down list)
ADPCM format at 32kbps, 8 kHz sampling (G.726 - select G721 from drop-down list)
PCM
µ−
law format at 64kbps, 8 kHz sampling (G.711 default)
Security
• Multiple user levels with password protection
• IP address filtering
• HTTPS encryption
Users
• 20 simultaneous viewers for Motion JPEG and/or unicast MPEG-4
• More than 20 viewers possible when using MPEG-4 multicast
Alarm and event
management
• Events triggered by built-in multi-window motion detection, external inputs or
according to set schedule
• Image uploads via FTP, email and HTTP
• Event notification via TCP, email, HTTP and external outputs
• Pre- and post-alarm buffer of 9 MB per channel (approx 4 min CIF video at 4 fps)
Pan/Tilt/Zoom
• Drivers for all supported PTZ units available from www.axis.com
• PTZ control queuing capability
