Video input 16 channels
System PAL、NTSC
Resolution PAL：704×576（D1）、352x288（CIF）、176x144（QCIF）
NTSC：704×480（D1）、352 x240（CIF）、176 x120（QCIF）
Frame rate PAL 1~25FPS/ channel adjustable and NTSC 1~30fps/ channel adjustable
Compression format H.264
Code rate 100kbps～1000kbps
Video output 1 channel TV out，1channel VGA output
searches By cameras(channels)、date、time
Video preview（video display） Support preview all channels at same time.；support switching display in 1,4,6,9,16,20,24 screen slip
Adjustment of Image quality Adjusted by Brightness/contrast /hue /saturation；
Screen info The title of cameras, time and date, secrecy shield area
Video Replay Support multi-mode replay：Pause, Normal, fast forward and fast backward
Audio input There are the units are in 4/8/12/16/20/24 audio input for select ness ，support max 24Chs audio input
Sampling rate 8KHz
Compressing standard G.729
Output stream 8kbps
Audio output Line Out
Live monitor Can free to choose any audio channels to live monitor
Operation system Embedded operation system
RS-485 One RS-485 port，for control the Pan/tile and lens，
Net port One 10/100M Ethernet port， for network surveillance, maintenance, and control
Alarm input/output 24swithes for input and 6switches for output，support local alert, and network linkage alert.
Key-press Front panel system ，humanness professional design, simple operation.
System stability Software and hardware with Watch-dog function protect the system hanging up. The system will auto-restart when it shut off.
Size 19inch、2U professional standard casing
Fixing method Fix with bracket or put on desk
Power AC 220V＋－10％
Temperature －10～50℃
Humanization interface Control panel, and remote client site interface
Flowing frame rate PAL 1~25FPS/ channel adjustable and NTSC 1~30fps/ channel adjustable
Flowing stream rate support
Each channel parameter can be set up separately support
Recording type Recorded by Manual , motion detect, timing , alert,（the frame can be adjusted from 1fps to 25fps when record ）
The length of recording 60MB－200MB/hour/channel（based on 352x288 ,25fps， it is depended on the frame rate and the degree of the color）
Time of recording （default is 15miniutes）
circular record method The recording files in Hard disk can be overwritten（to make sure the integrality of the recording files）；
Adjustment of image quality can adjust the recording files quantity（brightness, contrast, hue, saturation），each channel can be set up separately .
Pre-record for alert support
Motion detection There are 99 detection area for each channels and its detection area & detection sensitivity both can be selectable.
frame lost to trigger alert support
Shield Image Video Shield function，can setup one shield for each channel
OSD Real-time display and record, support OSD and character folding function; Tim, Date, Title of port can be displayed，the content of title can freely setup by byte(max is 32bits)；
Image quantity Multi-level quality ：best 、good、common、bad，compressing hard disk occupy space: 200M/channels/hour 150M/channels/hour, 120M/channel/hour,90M/channels/hours（ the rate lower ,occupy less space ）
Network control Setup parameter via client site software or browser；real-time preview video &audio；look over the status of video server; alert；； PTZ control；
Remote upgrade Support network remote upgrade, to maintain remote；
Remote download support
Remote playback support
Remote storage support
Remote control Single channels/ multi-channels monitor, record replay, control pan/tilt and Lens, alert collection.
Web Server function Have Web Server function ，can visit via browser
Message notice The message about alert input, motion detection alert, Frame lost cause to alert, user log in, system start-up/shut-up can be sent the mobile phone through setting to get wireless surveillance.
Centralized control Can get centralized surveillance and management for several digital video recorders, including：net centralized browse, net centralized collocation, adjustment of net video parameter, alert information net centralized management, remote download and playback..
Hard disk capability Can hold 10pcs IDE HD，support over 200GHD；support USB disk array extension
Management of HD Adopt non-work idle to manage the HD to reduce power consumption and disperse heat，extend the life of HD
File system FAT32 standard file system format, recording files can be identified in PC system
Circulative record The files can be covered with circulative recording in HD；
System control System parameter setting, password setting, time setting, auto-lock setting, Pan/Tilt control, fast searches； Cam control: pan, tilt, vari-focal, focusing, Iris
Authorization management Support multi-users management, can add, modify, and delete the users according to your needs.
Pan/tilt, Lens control Via RS485. local, remote control pan/tilt& lens, support multi-classification users remote control
Extension function Support net storage and local HD extension
Centralized management Support center focusing storage, focusing management
Multi- working Surveillance, record, playback/real-time playback, alert, backup, remote control and so on.
Work-log management Detailed work-log information: record system, operation, alert, net information, really can get “evidence” to check.
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