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The carrier-class video surveillance systems are made to provide such carriers as China Telecom and China Netcom with a service provider platform for video surveillance applications. The system involves three layers, that is, operation support, media switching (central service platform), and subscriber access (terminal devices).
Operation Support
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NMS (Network Management System)
- Hardware: dual core Xeon 2.0G; 2G RAM, Gigabit network interface card;
- IBM X3550 or DELL PE1950 server (recommended);
- OS: Linux AS;
- Database: Sybase;
- A single level supports management of 1024×512 devices, and concurrent logon of 1,024 users.
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AAA (Authentication, Authorization, and Accounting)
- Hardware: dual core Xeon 2.0G; 2G RAM, Gigabit network interface card;
- IBM X3550 or DELL PE1950 server (recommended);
- OS: Linux AS;
- Database: Sybase;
- A single level supports registration of 1024×5120 devices, and concurrent logons of 1,024 users.
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Media Switching
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CMU (Central Management Unit)
- Hardware: dual core Xeon 2.0G; 2G RAM, Gigabit network interface card;
- IBM X3550 or DELL PE1950 server (recommended);
- OS: Linux AS;
- Database: Sybase;
- A single level supports 1024×128 front ends, and the accesses of 1024×128 users;
- A single level supports 128 VTDUs and 128 NRUs;
- Supporting cascading of eight platforms; and a superior platform supports the registration of 32 subordinate platforms.
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VTDU (Video Transfer & Distribute Unit)
- Hardware: dual core Xeon 2.0G; 2G RAM, Gigabit network interface card;
- IBM X3550 or DELL PE1950 server (recommended);
- OS: Linux AS;
- Database: Sybase;
- A single VTDU supports forwarding of 1600×512Kbps code streams.
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Network Recording
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NRU (Network Record Unit)
- Hardware: dual core Xeon 2.0G; 2G RAM, Gigabit network interface card;
- IBM X3550 or DELL PE1950 server (recommended);
- OS: Linux AS;
- Database: Sybase;
- A single NRU supports recording of 1024×512Kbps code streams.
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Terminal
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KDM2400 Video Encoder
- 4 channels of videos, H.264, MPEG-4, D1, CIF, QCIF, 1 ~ 25 frame/second;
- Two-way audio (1 input, and 1 output), G.711,G.726, supporting voice intercom;
- Alarm interface with 4 inputs and 3 outputs
- PTZ control interface with 1 RS232 and 1 RS422/RS485.
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KDM2440/2440P Video Encoder
- Single channel of video, MPEG-4, CIF, QCIF, 1 ~25 frame/second;
- 1 RS485 PTZ control interface;
- Supporting dual stream;
- KDM2440P supports PoE.
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KDM2100/2100P/2100W IP Camera
- Image resolution: 640×480, 352×288
- Standard SD memory card slot;
- Rotatable horizontally and vertically ;
- Two-way voice interface;
- KDM2100P supports PoE; KDM2100W supports WiFi.
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KDM2401S/2401LS Video Encoder
- Single channel of video, MPEG-4, CIF/CIF, 1 ~25 frame/second;
- Two-way audio (1 input, and 1 output), G.726, supporting voice intercom;
- Alarm interface with 1 input and 1 output;
- 1 RS485 PTZ control interface;
- An IDE hard disk can be embedded to support local storage.
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KDM2402S/2402LS Video Encoder
- Dual-channel video, MPEG-4, D1/CIF, 1 ~25 frame/second;
- Two-way audio (2 inputs, and 1 output), G.726, supporting voice intercom;
- Alarm interface with 2 inputs and 1 output;
- 1 RS485 PTZ control interface;
- An IDE hard disk can be embedded to support local storage.
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KDM2424LS Video Encoder
- 4 channels of videos, H.264/MPEG-4, CIF, 1 ~25 frame/second;
- Two-way audio (4 inputs, and 1 output), G.726, supporting voice intercom;
- Alarm interface with 4 inputs and 1 output;
- 1 RS485 PTZ control interface;
- An IDE hard disk can be embedded to support local storage.
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KDM2401/2401L Video Encoder
- Single channel of videos, MPEG-4, CIF, 1~25 frame/second;
- Two-way audio (1 input, and 1 output), G.726, supporting voice intercom;
- Alarm interface with 1 input and 1 output;
- 1 RS485 PTZ control interface.
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KDM201 Video Codec
- Modular design, centralized high-density video encoding/decoding, 7 slots;
- 1 ~ 28 channels of videos, MPEG-4, D1, 2CIF, CIF, 1~25 frame/second;
- The encoding card supports 4 video inputs, as well as audio, alarm and PTZ control interface;
- The decoding card supports 4 video outputs.
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KDM2500 Video Decoder
- Single channel of video, MPEG-4, D1, 2CIF, CIF, 1~25 frame/second;
- Two-way audio (1 input, and 1 output), G.726, supporting voice intercom;
- 1 RS232 control interface;
- Supporting decoding of single channel of videos or decoding of four channels of videos in continuous presence (CP)
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KDM2501 Video Decoder
- Single channel of video, H.264/MPEG-4, D1, 2CIF, CIF, 1~25 frame/second;
- Two-way audio (1 input, and 1 output), G.726, supporting voice intercom;
- 1 RS232 control interface;
- Supporting decoding of single channel of videos or decoding of four channels of videos in continuous presence.
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