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Door entry installation course

by | May 15, 2014 | Access control, Articles

Door entry & Access control system Access control system components What is a time clock in an access control system? Timer in an access control system can programmed for 7 days, most with digital timer. Most of them work with 12V AC/DC voltage. Time clock...

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Access Control Installation Training

by | Apr 22, 2014 | Access control, Articles

Access Control Courses London Access control refers to security measurements in place to restrict or control access to a certain physical location. Systems known as Access Control will decide who can access a specific premise and have predefined privileges. This...

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GPRS and mobile communication in CCTV

by | Apr 2, 2014 | Articles, CCTV articles

There are some security applications that demand for the data to be passed to a central server from a remote device. This can be a DVR, attendance control system, sensors, anpr (automatic number plate recognition) or any form of security device. For example, remote...

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What is Hybrid CCTV DVR!

by | Feb 11, 2014 | Articles, CCTV articles

What is Hybrid CCTV DVR!  Hybrid CCTV DVR provides the facility to record analogue and digital IP cameras in to one recording device and work as one system. For example if a customer has a CCTV system with number of analogue cameras and now he is looking to expand it...

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CCTV cable long distance

by | Jan 29, 2014 | Articles, CCTV articles

CCTV installation & trouble shooting in long cable run When cable run exceeds 300m, it is advised to use active balun for better video signal. In long cable run, it is must to have group loop isolation for better video balance and performance. The below diagram...

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