Technology & Trends - Fibre optics, telemetry receivers, transmitters, transceivers

Video surveillance across the world is growing exponentially and its major application is in both public safety and law enforcement. Traditionally, it has been fixed surveillance where cameras provide live streams from fixed cameras situated in what is considered strategic locations. But they are limited in what they can see given by their very definition of being "fixed." The future of video surveillance includes the deployment of more mobile video surveillance with the benefits it offers. Ins...

The term “smart city” gets thrown around a lot nowadays, but as different technologies that strive to be defined in this way are adopted by different countries globally, the meaning of this phrase gets lost in translation. The simplest way to define a “smart city” is that it is an urban area that uses different types of data collecting sensors to manage assets and resources efficiently. One of the most obvious types of “data collecting sensor” is the video ca...

In 2017, DITEK saw how power surges from the many natural disasters that took place damaged many businesses. In a natural disaster, or even everyday business operations, a facility’s entire investment in security, life safety and surveillance systems technology can be disabled or rendered useless in a few seconds. Surge protection solutions can mitigate those risks and protect security investments. Proactive approach to risk mitigation Throughout 2017, we also witnessed a change in how...

Everybody has been hooked on the discussions about Analogue HD or IP systems, but shouldn’t we really be thinking about WiFi and 5G connectivity, removing the need for expensive cabling? Are wireless networks secure enough? What is the potential range? Even the basic question about whether or not the network is capable of transferring the huge (and growing) amount of data required for High Res Video, which will soon be quadrupled with the advent of 4K and higher resolutions. The future o...

When people think of control rooms, images from James Bond movies or intense action stories come to mind. What they fail to realise is the incredible level of ergonomics, technology, precision and craftsmanship required to create a top-notch command and control room. “These are rooms of complex functionalities, where hundreds of elements must be integrated and function in sync,” says Jim Coleman, National Sales Manager, AFC Industries. Professional teams from several different indus...

The security market in 2016 saw an uptick in the economy, the introduction of new technologies, increased compliance requirements in key verticals, and rising concerns over the need for greater security. Users interested in upgrading or deploying new systems consistently chose networked system platforms. This trend further drove the demand for adaptive transmission solutions as a means of repurposing existing analogue infrastructure to accommodate IP devices on a networked platform. As this mi...

The use of multiple wires has advantages for network transmission Network connection to a remote device begins by considering the type of cable. In some cases, installed cable may already be present and available for reuse, or you may have the option to install a new cable. Let’s review the major types of cable used for most security applications, their advantages and disadvantages. Types of cables In general, there are four major types of cable. First is coaxial cab...

The growing sales of IP-based solutions in the surveillance market is a well-discussed topic. Security companies are rushing to grab a slice of this lucrative pie. However, at the same time, analogue surveillance systems have continued to retain their appeal for many end users. Aware of this demand, some companies have continued to develop technology for analogue solutions despite the IP trend. One company driving this force is Nextchip, the company behind AHD™. Up until rec...

Siklu further expanded its presence in the video surveillance market in 2015. The company released the world’s smallest outdoor Gbps radio to address the issue of densified coverage, which results in the need for high capacity connectivity in surveillance networks – a trend that has snowballed in past years.  Growing video surveillance networks demand greater bandwidth capacity Developments in video analytics and resolutions, requiring high-quality video at the surveillance ne...

Physical and cyber security convergence, perimeter intrusion detection systems and fibre optic-based sensors were some of the security trends that picked up pace in 2015 and will continue to grow in the coming year as well. The beginning of 2015 started out slowly as the implementation of security projects by a number of organisations was postponed for various reasons. Mid-year picked up momentum, and the year is ending on a strong note. A significant trend was the gradual progression of conve...

Recently there has been great interest in long range reading (433 MHz technology) For the last two decades, the primary contactless technology used in access control systems has been the proximity card (125 kHz technology). In the last decade, proximity cards have been augmented by the smart card (13.56 MHz technology). And that's the way it has been until just recently. All of a sudden, there has been great interest in long range reading (433 MHz technology). Merging traditi...

Just as with network switches, there are no real standards for midspans In general terms, a midspan is a power over Ethernet (PoE) power source that is placed between a network switch and the device being powered, hence the term midspan. The real question is, with almost all network switches providing PoE power, why do we need a midspan? The answer is, in some cases we don’t, but in others we do. As with any other product we have discussed, we need to first consider that...

Layering as applied to computers is a made up term having no relationship to any particular standards When it comes to setting the criteria for network switching, we often hear “I only want a layer 3 switch.” We naturally assume that since the number 3 is bigger than the number 2, a layer 3 switch must be better than a layer 2 switch. It may surprise you, but when it comes to video security applications, this may not be the case. In fact, just the opposite may...

Too often a valid assumption turns out to be the opposite in practical operation It’s easy to misinterpret product specifications of IP video transmission products to the detriment of system functionality. We have seen how this problem relates to port speed, power over Ethernet (PoE) and transmission media. Now let’s look at some additional aspects of product specifications – and how they can be misinterpreted. Importance Of Temperature Rating What about te...

Since last year there has been a lot of talk with regard IP security cameras with 4K resolution. As with any advancement in video security, this too has come about due to advances in consumer electronics. While being the “latest and greatest,” it still raises questions as to actual, practical everyday usage. What Is 4K Resolution? Let’s start by defining 4K. Back in the day we had HDTV, which in some cases was defined in terms of its resolution of 1920 hor...

Differences between standard data applications and the requirements of networks designed for IP video security applications are critical for your system's performance When the need to purchase a network switch arises, many IT directors immediately turn to two favourites, HP or Cisco. They have become to the networking environment what IBM was to computers: “No one ever got fired for buying IBM.” Certainly, switches play a crucial role in enhancing your network by i...

Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power. Many of these involve pan-tilt-zoom (PTZ) domes and heaters and blowers that require additional power. This development created two areas of confusion which is highlighted in this article by N...

Transmission of video and PoE power for IP security cameras over infrastructures can be confusing. Network infrastructures are designed using twisted pair cabling that we refer to as CAT (short for Category) cable, also referred to as UTP (Unshielded Twisted Pair). Security systems, coming from an analogue environment, have historically transmitted over coax cable, and with the use adaptors can transmit over CAT cabling, which can be further broken down into single pair twist...

The number-one cause of most power outages in the U.S. is bad weather What does the industry consider to be its most severe threats the U.S. electric grid? There is no shortage of nightmare scenarios. According to the Department of Energy, the number-one cause of most power outages in the U.S. is bad weather, which costs the economy between $18 billion and $33 billion every year in lost output and wages, spoiled inventory, delayed production and damage to grid infrastructure....

Any part of a transmission infrastructure has a dramatic impact on system performance We often view network switches as transparent transmission products. What goes in comes out. In reality, nothing is further from the truth. In this article, Neil Heller - Vice President, Vigitron, Inc. highlights that any part of a transmission infrastructure has a dramatic impact on transmission and, therefore, on system performance. At the very least a network switch can be viewed as a piec...

Often our selection of a network switch is based on price or major brand names, both of which can lead to problems Networking Basics for Security Professionals:  How bandwidth requirements guide selection of network switchesIf a network switch looks like a network switch, is it a network switch that will work for IP video security applications? The surprise answer is “not necessarily.” There are major differences between the network switch performance require...

IT networks are expanding to include more users and applications The use of corporate IT network infrastructure for physical security applications such as video surveillance presents unique challenges. Jack Fernandes, President & CEO of American Fibertek, makes a case for separate networks using specialized equipment and technologies specifically designed for video surveillance which could also integrate other physical security functions. In today’s business world,...

Fibre optic technology offers the most efficient means of transmitting video in the digital environment In Part II of this article on the role of fibre optic transmission in network IP video surveillance systems Jack Fernandes, President and CEO of American Fibertek takes a deeper look at the critical needs of a reliable transmission system in the evolving age of digitalization. There is no doubt that fibre optics will play an even bigger role in modern security...

Fibre optic transmission has played a crucial role in the rise of IP video surveillance The advances in video surveillance technology have seen the increased adoption of network IP products over analogue systems. A key constant to this shift has been the critical need for reliable transmission of video signal. As the transition to network IP video continues, the need for the widely used coaxial cable is wavering in favour of Cat-5/ UTP cable and high-speed Ethernet connections...

  Fibre optics enhances the operation and business bottom line of surveillance solutions Designers and end users of security systems, integrators and installers must consider and balance the functionality required of a video surveillance camera with its methods of transmission. This is the first of a 3-part examination by Mark Wilson, Marketing Vice President of Infinova, of how chief security officers (CSOs), directors and managers can understand the benefits of and...

  Bridging the gaps in wired infrastructure with wireless broadband Today, public and urban business organisations have sophisticated geographically dispersed infrastructures, which require centralised supervision and the deployment of global security and surveillance networks. As the necessity for public and personal safety increases, the market and demand for multisite surveillance solutions with rigorous, video-based security standards is growing. One of the most recent...

  Going back to the blueprint - assessing the challenges of designing an IP CCTV The world of IP CCTV design is continuously progressing. Security system designers and installers have to frequently evaluate customers' needs when running an IP-surveillance system on a company's network. It is up to the CCTV sales manager to eradicate any concerns regarding IP-based CCTV systems and look at the requirements of each customer, subsequently offering bespoke networks to suit the...

   XML, API and web server offer the ability for interoperability between proprietary software Today's facility executive wants to purchase systems and components from various manufacturers and have those components work together as one system. They want "open systems" that allow the manufacturers to offer new features and add value without locking the owner into a single vendor's proprietary protocols. In short, they want Interoperability.Hirsch Electronics...

  Security threats keep the demand for advanced security measures high in different industries Terrorism and other security threats around the world are generating high demand for advanced video security solutions that can help detect threats, and protect lives and assets. Elan Moriah President of Verint Video Intelligence Solutions and Verint Witness Actionable Solutions, explores some of the key technologies and trends that are helping reshape the security industry....