April 16, 2023
Security monitoring is a comprehensive multi-disciplinary and multi-technical field, including computer technology, network technology, storage technology, engineering technology, optical imaging, control, transmission and other professional technologies.
Becoming a qualified security monitoring technician requires extensive reserves of many professional technologies, and requires technicians to have extensive technical application capabilities. Of course, some people will say that today's monitoring equipment is high-tech and can be used simply by scanning it with a mobile phone. I can responsibly tell you that it is not advanced, it can only be called simple. There is no such thing at system level. If someone is seriously involved in monitoring with you in this matter, then he will lose. Borrowing a popular joke, if you look at yourself, you lose.
Back to point, today we will not discuss technical reserves of software and hardware developers and project executors, but only talk about professional knowledge that security monitoring technical support personnel or technical service personnel should have. Opportunity to redefine technical knowledge of developers and engineers.
1. Computer and network technologies
Be familiar with computer and server hardware, be familiar with different operating systems of workstations and servers, be it WINDOWS, LINUX or SERVER, you must be familiar with it, and server hardware can deploy a management platform for you. D., those are basics.
Network technology has already entered era of network video surveillance. Network technologies are essential. You should be familiar with basic principles of networking, network partitioning, subnet mask calculation, NAT, DDNS, routing switching, and VLAN partitioning. it's hard to tell which one is used to debug system. Unicast, multicast and broadcast also need to be understood. What happens with broadcast storms, what happens with large-scale network congestion, can be analyzed, UDP is not a handshake, TCP is a handshake, which method is better depends on specific network environment, this Knowledge needs to be mastered. WEBSERVER is also not a stranger, now any monitoring device is integrated or called built-in WEBSERVER, you use browser to configure IPC or NVR, you use device's WEBSEVICE.
Secondly, knowledge of databases
A complete system or a large-scale security monitoring system will have a platform or CMS, whether it is a B/S or C/S structure, server must have one or more software suites and a database. should be arranged. Therefore, it is very important to have some knowledge about databases. MSSQL, MYSQL, etc. can deploy, operate, and maintain databases.
3. Software Application
Triple WORD/EXCEL/PPT of OFFICE should be able to use, reason is not to say. VISIO must be used to draw system diagrams, and AutoCAD must be used to view design drawings. These two softwares must be used skillfully. Simple development tools are best used and if you can't use them there are a few things you need to know and there will be useful scripts. SDK, each device manufacturer will provide an SDK, a secondary development kit, most basic can also understand SDK version, main library files.
Fourth, hardware tools
Not all systems are networked. Tools like multimeters, oscilloscopes, and linear meters are still useful at critical times if you know how to use them.
5. Monitoring hardware knowledge
Needless to say, CAM, DVS/DVR/NVR, streaming media, decoder, matrix, platform server and other equipment should be familiar and familiar again. This is what we do.
6. Expertise Monitoring
Image, encoding, compression, keyframe, frame rate, codestream all need to be understood and used flexibly. We will help you solve problems at critical moments.
Seven, store knowledge
Network video surveillance is inseparable from storage. You must understand NAS/SAN/IPSAN and be able to work with storage device. RAID disk arrays, redundancy and hot backup must be available.
8. Communication skills
Introduction to various communication interfaces, protocols, RS232/485/422, etc.
You need to implement a system solution and learn how to implement it. There are various specifications, design, acceptance and networking. The technical staff still needs to understand more. What are GBT28181, GB50394 and GB50395 talking about? At a critical moment, in addition to strong technology, there must also be evidence.
10. Engineering Technologies
The quality of engineering and construction technology is one of key success factors of system, not only for video surveillance systems, but also for other security systems and low-voltage systems. Engineering technology is main guarantee of application of system.
It summarizes knowledge in ten technical areas that security monitors need to master, and expresses hope that smaller partners will be able to accumulate more knowledge and technological breakthroughs.