FAQ’s & Guides

Welcome to the Carritech FAQ’s & guides page.



August 16, 2017 / FAQs & Guides

Understanding Multiplexing in Telecommunications

All forms of telecommunications, including radio, telephone and television use multiplexing to send and receive information. Frequency division multiplexing (FDM),...
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August 14, 2017 / FAQs & Guides

Fiber Optics: Explained (INFOGRAPHIC)

Fiber optic communication is a method used in telecommunications, to transmit information from one place to another via pulses of...
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August 11, 2017 / FAQs & Guides

Synchronous Digital Hierarchy (SDH): Explained

Following on from our article explaining PDH (Plesiochronous Digital Hierarchy), we describe the differences between PDH and SDH (Synchronous Digital...
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August 10, 2017 / FAQs & Guides

The Plesiochronous Digital Hierarchy (PDH): Explained

Plesiochronous Digital Hierarchy (PDH) was designed to transport the huge amounts of data over digital equipment like microwave radio or...
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August 3, 2017 / FAQs & Guides

What are the different types of PON (Passive Optical Networks) and what are they used for?

This article explores the various types of PON (Passive Optical Networks), how they differ and what they are used for....
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July 17, 2017 / FAQs & Guides

What is SDN (Software Defined Networking)?

SDN or ‘Software-defined networking’ is a type of network virtualisation that optimises network resources by allowing for easy adaptability of...
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July 10, 2017 / FAQs & Guides, Industry News

PSTN (Public Switched Telephone Network) Explained

What is the PSTN? The PSTN or Public Switched Telephone Network is the complete formation of the world’s circuit-switched telephone...
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June 9, 2017 / Access Network, FAQs & Guides

Access Network Layer: Explained

The access layer in telecommunications networks connects users to their immediate service providers. It is where the process of communicating...
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June 5, 2017 / Ericsson BLM 1500 GPON, FAQs & Guides, Frequently Asked Questions

What’s the attraction to GPON?

There are a number of reasons why operators have favoured the use of GPON (Gigabit Passive Optical Network) technology within...
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June 5, 2017 / Core Network, FAQs & Guides, Frequently Asked Questions

Core Network Layer: Explained

In telecommunications, the core network is the central element of a network that provides services to customers who are connected...
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May 25, 2017 / Ericsson BLM 1500 GPON, FAQs & Guides, Frequently Asked Questions

What is GPON (Gigabit Passive Optical Networks)?

GPON or ‘Gigabit Passive Optical Networks’ is a point-to-multipoint access mechanism. The main characteristic of GPON is the use of...
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May 11, 2017 / About Carritech, FAQs & Guides

A helpful guide to de-installing your telecommunication equipment

The decision to de-install your telecoms equipment can be one of the most resource demanding activities affecting your business. As...
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May 10, 2017 / About Carritech, Carritech News, distribution, FAQs & Guides

Telecoms Handling, Shipping & Packaging

How is our telecoms equipment handled and shipped to ensure safe travel? There are a number of important procedures that...
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May 10, 2017 / Carritech News, FAQs & Guides

Why would carriers choose to buy used or refurbished telecoms equipment?

Many carriers worldwide continue to purchase used and refurbished telecoms equipment for their existing networks, choosing to opt for legacy...
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May 2, 2017 / Carritech News, FAQs & Guides

Don’t let your surplus telecoms equipment go to waste

Start generating revenue from your unwanted telecoms equipment If you have mobile or fixed line telecoms equipment that is surplus...
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May 2, 2017 / Carritech News, FAQs & Guides

Telecoms Repairs Process: Explained

We ensure a methodical, systematic approach to guarantee high quality repair services. Receiving Equipment We match your purchase order to...
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April 4, 2017 / Alcatel News, Carritech News, FAQs & Guides, Industry News

What is Massive MIMO?

In February, we wrote an article explaining exactly what MIMO is. Now, we will be looking at the difference between...
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March 21, 2017 / Carritech News, FAQs & Guides, Industry News

What is Network Function Virtualisation (NFV)?

NFV or Network Function Virtualisation is the concept of replacing the dedicated network appliances (such as routers and firewalls within...
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March 9, 2017 / Carritech News, FAQs & Guides, Industry News

LTE, LTE-A & LTE-A Pro: Explained

LTE or Long Term Evolution is a series of 4G network standards that were agreed in 2008. The architecture used...
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March 7, 2017 / Carritech News, FAQs & Guides, Industry News

What are different types of small cells used for?

‘Small cells’ is the term used for operator-controlled, low-powered radio access nodes, including equipment that operators both within licensed spectrum...
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February 27, 2017 / Carritech News, FAQs & Guides

What is MIMO?

MIMO  or 'multiple-input, multiple-output' is a wireless technology that, when deployed, uses multiple antennas at both the source (transmitter) and...
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February 22, 2017 / Carritech News, FAQs & Guides

Common Wi-Fi Connection Solutions

Are you experiencing a slow Wi-Fi connection? If your internet connection is running slowly it can be extremely frustrating. Even...
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February 20, 2017 / Carritech News, FAQs & Guides

LAN vs WAN: What are the differences?

This article explains the differences, including advantages and disadvantages of LAN and WAN networks. LAN = Local Area Network Local...
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February 16, 2017 / Carritech News, FAQs & Guides, Industry News

An Introduction to Network Slicing

There have been a number of recent developments in 5G, including an announcement from South Korean company ‘SK Telecom’ that...
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February 1, 2017 / Carritech News, FAQs & Guides

What is Small Cell Technology?

What are Small Cells? Mobile connectivity requirements are increasing at an unparalleled rate. Now that so many devices rely on...
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January 10, 2017 / About Carritech, Carritech News, FAQs & Guides, products, repairs, revenue share, sales, support

Carritech – Your trusted telecoms part provider

At Carritech, we provide an all-encompassing service to our clients which allows fast, uncomplicated access to hundreds of thousands of...
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December 9, 2016 / Carritech News, FAQs & Guides, revenue share, sales, support

Are you making best use of your surplus telecommunication assets?

Are your telecoms assets becoming a mess? Are you confused by the equipment you have and whether it is still...
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December 6, 2016 / Carritech News, FAQs & Guides

Tips for Managing Your Telecommunications Budget

  This article has been designed to assist those who are making budget decisions on telecommunications equipment in order to...
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November 23, 2016 / Carritech News, FAQs & Guides, revenue share

Why choose a revenue share option over a quick sale?

This article explains the reasons why you should opt for a revenue share scheme such as Carritech’s ‘We Manage’ option,...
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November 21, 2016 / About Carritech, Carritech News, FAQs & Guides, support

Why choose Carritech as your telecoms support provider?

At Carritech, we provide support, repair and replacement services to our clients on a daily basis, to ensure their networks...
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November 15, 2016 / Carritech News, FAQs & Guides, sales, support, Top 5

Important questions to ask your telecommunications supplier

Telecommunications equipment can be hard to come by, especially legacy parts that are no longer manufactured. Therefore, when selecting the...
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October 18, 2016 / About Carritech, Carritech News, FAQs & Guides, repairs, revenue share, sales

Carritech Company Overview brochure now available to download.

We have published a PDF version of our latest company overview brochure, which details all of our telecommunications products and...
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August 22, 2016 / About Carritech, Carritech News, FAQs & Guides, Frequently Asked Questions, products, sales, support

6 Benefits of Buying from Carritech

6 Key Benefits of buying telecommunications products from Carritech The benefits to your business when buying refurbished access, transport, data...
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August 3, 2016 / Carritech News, FAQs & Guides, Home, products, sales

How To Sell Used Telecommunications Equipment

How to sell used telecommunications equipment. Advice from a trade buyer. Having been a telecommunications equipment supplier since 2010 and...
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July 27, 2016 / Carritech News, FAQs & Guides, Industry News, products, sales, support, sustainability

What are the benefits of purchasing from the telecommunications secondary market?

Without an extremely large budget and a long period of time to replace an entire system; operators need to make...
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