
5
Surveillance Market Evolution
Video Cassette Recorder
(VCR)-era
Digital Video Recorder
(DVR)-era
Network Video Recorder
(NVR)-era
Why D-Link IP Surveillance?
• IP Surveillance Evolution
Network
Switch
6
Switching from Analog to Digital Camera
Analog
Analog
Digital
Digital
digitization
Network
Cameras
Switch
(PoE)
PC
(Management
Software) /
NVR
Ethernet
Cable (PoE)
Up to 16-32 channels
DVR
Monitor
Analog
Cameras
Coax Cable
Facilities and Signal Transmission All Digitalized Thru TCP/IP
Cables
Cables
Display / Record / Playback
Display / Record / Playback
Camera
Camera
Why D-Link IP Surveillance?
• IP Surveillance Evolution
7
Key Benefits of IP Surveillance
IP network is open-standard (Compatible equipment, Internet access,
interoperability)
Easy deployment (Power over Ethernet, wireless)
Higher resolution (Megapixel)
Lower signal loss (one-time conversion, better quality)
Scalability and Flexibility (system upgrade, maintenance, migration from
traditional surveillance system to IP surveillance)
Effective total cost of ownership
Why D-Link IP Surveillance?
• IP Surveillance Evolution
8
IP Surveillance System
Why D-Link IP Surveillance?
• D-Link Provides Complete IP Surveillance System
Network
Infrastructure
IP
Security
Video Capture
(IP Camera)
Video
Storage
(NAS/ NVR)
Management
Server
System
Service
/Integration
Accessories
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