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Network Cables provider

Despite advances in wireless technologies, many computer networks in the 21st century still rely on cables as a physical medium for devices to transfer data. Several standard types of network cables exist, each designed for specific purposes.

Coaxial Cables
Invented in the 1880s, “coax” was best known as the kind of cable that connected television sets to home antennas. Coaxial cable is also a standard for 10 Mbps Ethernet cables. When 10 Mbps Ethernet was most popular, during the 1980s and early 1990s, networks typically utilized one of two kinds of coax cable – thinnet (10BASE2 standard) or thicknet (10BASE5). These cables consist of an inner copper wire of varying thickness surrounded by insulation and another shielding. Their stiffness caused network administrators difficulty in installing and maintaining thinnet and thicknet.

Twisted Pair Cables
Twisted pair eventually emerged during the 1990s as the leading cabling standard for Ethernet, starting with 10 Mbps (10BASE-T, also known as Category 3 or Cat3), later followed by improved versions for 100 Mbps (100BASE-TX, Cat5, and Cat5e) and successively higher speeds up to 10 Gbps (10GBASE-T). Ethernet twisted pair cables contain up to eight (8) wires wound together in pairs to minimize electromagnetic interference.

Two primary types of twisted pair cable industry standards have been defined: Unshielded Twisted Pair (UTP) and Shielded Twisted Pair (STP). Modern Ethernet cables use UTP wiring due to its lower cost, while STP cabling can be found in some other types of networks such as Fiber Distributed Data Interface (FDDI).

Fiber Optics
Instead of insulated metal wires transmitting electrical signals, fiber optic network cables work using strands of glass and pulses of light. These network cables are bendable despite being made of glass. They have proven especially useful in wide area network (WAN) installations where long distance underground or outdoor cable runs are required and also in office buildings where a high volume of communication traffic is common.

Two primary types of fiber optic cable industry standards are defined – single-mode (100BaseBX standard) and multimode (100BaseSX standard). Long-distance telecommunications networks more commonly use single-mode for its relatively higher bandwidth capacity, while local networks typically use multimode instead due to its lower cost.

USB Cables
Most Universal Serial Bus (USB) cables connect a computer with a peripheral device (keyboard or mouse) rather than to another computer. However, special network adapters (sometimes called dongles) also allow connecting an Ethernet cable to a USB port indirectly. USB cables feature twisted pair wiring.

Serial and Parallel Cables
Because many PCs in the 1980s and early 1990s lacked Ethernet capability, and USB had not been developed yet, serial and parallel interfaces (now obsolete on modern computers) were sometimes used for PC-to-PC networking. So-called null model cables, for example, connected the serial ports of two PCs enabling data transfers at speeds between 0.115 and 0.45 Mbps.

Crossover Cables
Null modem cables are one example of the category of crossover cables. A crossover cable joins two network devices of the same type, such as two PCs or two network switches.

The use of Ethernet crossover cables was especially common on older home networks years ago when connecting two PCs directly together. Externally, Ethernet crossover cables appear nearly identical to ordinary (sometimes also called straight-through), the only visible difference being the order of color-coded wires appearing on the cable’s end connector. Manufacturers typically applied special distinguishing marks to their crossover cables for this reason. Nowadays, though, most home networks utilize routers that have built-in crossover capability, eliminating the need for these special cables.

Other Types of Network Cables
Some networking professionals use the term patch cable to refer to any kind of straight-through network cable being used for a temporary purpose. Coax, twisted pair and fiber optic types of patch cables all exist. They share the same physical characteristics as other types of network cables except that patch cables tend to be a shorter length.

Powerline network systems utilize a home’s standard electrical wiring for data communication using special adapters plugged into wall outlets.

cctv installation and services

CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes.

CCTV relies on strategic placement of cameras, and observation of the camera’s input on monitors somewhere. Because the cameras communicate with monitors and/or video recorders across private coaxial cable runs or wireless communication links, they gain the designation “closed-circuit” to indicate that access to their content is limited by design only to those able to see it.

Older CCTV systems used small, low-resolution black and white monitors with no interactive capabilities. Modern CCTV displays can be color, high-resolution displays and can include the ability to zoom in on an image or track something (or someone) among their features. Talk CCTV allows an overseer to speak to people within range of the camera’s associated speakers.

CCTV is commonly used for a variety of purposes, including:

Maintaining perimeter security in medium- to high-secure areas and installations.
Observing behavior of incarcerated inmates and potentially dangerous patients in medical facilities.
Traffic monitoring.
Overseeing locations that would be hazardous to a human, for example, highly radioactive or toxic industrial environments.
Building and grounds security.
Obtaining a visual record of activities in situations where it is necessary to maintain proper security or access controls (for example, in a diamond cutting or sorting operation; in banks, casinos, or airports).
CCTV is finding increasing use in law-enforcement, for everything from traffic observation (and automated ticketing) to observation of high-crime areas or neighborhoods. Such use of CCTV technology has fueled privacy concerns in many parts of the world, particularly in those areas in the UK and Europe where it has become a routine part of police procedure.

webhosting provider

Web hosting is a service that allows organizations and individuals to post a website or web page on to the Internet. A web host, or web hosting service provider, is a business that provides the technologies and services needed for the website or webpage to be viewed in the Internet. Websites are hosted, or stored, on special computers called servers.

When Internet users want to view your website, all they need to do is type your website address into their browser. Their computer will then connect to your server and your webpages will be delivered to them through the browser.

Most web hosting companies require that you own your domain name in order to host with them. If you do not have a domain name, the web hosting companies will help you purchase one.

The basic features of a web hosting plan include:

DISK SPACE
All web hosting accounts offer a certain amount of disk space that you can use to store your web files. It is recommended that you have some sort of estimates on what you need for various tasks – the amount of space you need for your emails, web files, databases, etc. By breaking down your usage, you can better estimate how much space you should go for.

BANDWIDTH OR DATA TRANSFER
Very often web hosts talk about bandwidth and data transfer as the same entity. However, they are in fact, different.

Bandwidth is the amount of data that can be transferred at one time.
Data transfer is the actual amount of data transferred.
Think of it this way. If bandwidth were a tunnel, the bigger the tunnel the more cars can pass through it. Data transfer would then be the number of cars allowed to go through the tunnel in a given time period, say a month.

The less bandwidth you have, the slower it takes your website to load, regardless of your visitor’s connection type. Visitors will have to wait their turn. The less data transfer you have, the more often you will find your website unavailable because you have reached the maximum amount of data allowed to be transferred.

To determine what is sufficient, you need to take into consideration the size of your website and the number of visitors you have in a month’s time.

EMAIL ACCOUNTS
Email accounts are a common feature of web hosting, especially if you are hosting a domain. There are three main types of email accounts: POP3, forwarding, and aliases.

POP3 accounts are the traditional inboxes. You have space on the server to store your emails, and at the same time, you can use an email program to download your mail. Each login and password combination usually equates to one account.

Forwarding mail accounts are useful if you are employing the service of another company to filter your emails for you. Rather than storing your emails on your mail server, emails are redirected to another email address.

Aliases accounts are similar to forwarding mail accounts. Some hosts allow you to setup a catch-all alias, which is often used to collect emails sent to addresses not recognized by your mail server.

FTP ACCESS
After you have created your web pages on your computer, you need to transfer those files to your web server. The files are transferred to the server by use of FTP.

FTP is also the protocol of downloading your web files from the server to your computer, ie. backing up your website files.

ERP solutions for office and business

A Brief History of ERP
The term ERP was coined in 1990 by Gartner1, but its roots date to the 1960s. Back then, the concept applied to inventory management and control in the manufacturing sector. Software engineers created programs to monitor inventory, reconcile balances, and report on status. By the 1970s, this had evolved into Material Requirements Planning (MRP) systems for scheduling production processes.

In the 1980s, MRP grew to encompass more manufacturing processes, prompting many to call it MRP-II or Manufacturing Resource Planning. By 1990, these systems had expanded beyond inventory control and other operational processes to other back-office functions like accounting and human resources, setting the stage for ERP as we’ve come to know it.

Today, ERP has expanded to encompass business intelligence (BI) while also handling “front-office” functions such as sales force automation (SFA), marketing automation and ecommerce. With these product advancements and the success stories coming out of these systems, companies in a broad range of industries—from wholesale distribution to ecommerce—use ERP solutions.

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Moreover, even though the “e” in ERP stands for “enterprise,” high-growth and mid-size companies are now rapidly adopting ERP systems. Software-as-a-Service (SaaS) solutions—also referred to as “cloud computing”—have helped fuel this growth. Cloud-based solutions not only make ERP software more affordable, they also make these systems easier to implement and manage. Perhaps even more importantly, cloud ERP enables real-time reporting and BI, making them even valuable to executives and staff seeking visibility into the business.

As a result, companies of all sizes and a wide range of industries are transitioning to cloud ERP systems. In fact, Forrester predicts that SaaS-based ERP adoption will rise 21 percent annually through 2015.2 When you stop to consider the benefits of ERP, it’s easy to see why it’s become so popular and why its use will continue to grow so rapidl

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