关于我们
Access Security Controls International, Inc. | ASCI provides the highest quality and service within the security industry. You have an incredible investment in your business and it should be protected by a company that understands the risks associated in protecting your personnel, property and assets. ASCI utilizes the most technologically up-to-date security equipment in the industry and employs pre-screened, highly trained technicians to ensure quality and reliability. ASCI serves the California, Nevada, Arizona and beyond.
- 网站
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https://www.ascisecurity.com
ASCI Security的外部链接
- 所属行业
- 建筑业
- 规模
- 11-50 人
- 总部
- Irvine，California
- 类型
- 私人持股
- 创立
- 1998
- 领域
- Video Surveillance、Access Control、Fire Alarm Systems、Burglar Alarm Systems、New Construction、Facility Retrofits、das、Low Voltage Cabling、Multi-Family Builds、Wi-Fi Networks、Smart Apartments、Audio/Video和Marina Installations
地点
ASCI Security员工
动态
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?Understanding NVR, DVR, and Cloud-Based Camera Systems Overview This tutorial provides a concise comparison of NVR (Network Video Recorder), DVR (Digital Video Recorder), and cloud-based camera systems, focusing on their digital/analog nature, cabling and power requirements, and key features. 1. NVR (Network Video Recorder) Type:?Digital Camera Compatibility:?Works with?IP (Internet Protocol) cameras. Data Processing:?Cameras encode and compress video before sending it to the NVR. Cabling Needs: Connection:?Uses?Cat5e or Cat6 Ethernet cables. Power:?Supports?Power over Ethernet (PoE), allowing data and power transmission through one cable. Installation Flexibility:?Easier installation with fewer cables, can use existing network infrastructure. 2. DVR (Digital Video Recorder) Type:?Analog Camera Compatibility:?Works with?analog cameras. Data Processing:?Converts analog footage to digital format at the DVR. Cabling Needs: Connection:?Uses?coaxial cables?for video transmission. Power:?Requires separate power sources for each camera, often through?Siamese cables?or direct power outlets. Installation Limitations:?More complex installation due to separate power requirements. 3. Cloud-Based Camera Systems Type:?Digital Camera Compatibility:?Utilizes?IP cameras. Data Processing:?Stores footage directly in the cloud, eliminating the need for on-site recording devices. Cabling Needs: Connection:?Can use?Cat5e or Cat6 Ethernet cables?for data transmission. Power:?May support?Power over Ethernet (PoE)?for powering cameras with the same cable. Wireless Options:?Many systems offer wireless connectivity, simplifying installation. Key Features:?Greater flexibility and scalability; accessible remotely via the internet. This tutorial sheet summarizes the essential information needed to understand the differences and functionalities of NVR, DVR, and cloud-based camera systems.
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