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PodSnacks: Hybrid Fiber/Coax (HFC)

The fourth and final installment in our access network series, which thus far has focused on Fiber to the X (FTTX), switches gears a bit to a different industry segment, that of the cable companies. In today's PodSnack, Dave and Trevor take a bit Read More...

PodSnacks: Fiber to the Premises (FTTP)

The third installment in our series on Fiber to the X (FTTX) looks at Fiber to the Premises (FTTP). This is the predominant architecture being championed by Verizon as part of their FiOS service. In today's PodSnack, Dave and Trevor discuss the technology Read More...

PodSnacks: Fiber to the Node (FTTN)

Today we continue our series on Fiber to the X (FTTX) with a look at Fiber to the Node (FTTN). This is the predominant architecture being championed by AT&T. In today's PodSnack, Dave and Trevor will explore the technology and discuss some of Read More...

PodSnacks: Fiber to the X (FTTX)

Today we begin a short series on Fiber to the X (FTTX), which will be completed over the coming weeks along with our concurrent series on Fiber Channel. FTTX is the generic name given to an entire family of access technologies and deployment models being Read More...

PodSnacks: Unshielded Twisted Pair (UTP) vs. Shielded Twisted Pair (STP)

Building on yesterday's PodSnacks, today, Paul will take you through the difference between shielded and unshielded twisted pair . It should come as no big surprise that the primary difference is... wait for it... shielding! (Sometimes I just crack Read More...

PodSnacks: Twisted Pair (TP)

Let's go down to the wires. Today, Paul will go through some of the history and basic characteristics of twisted pair . You can listen to (or download) the PodSnack by clicking here , or you can use the Flash player below. If you have an idea or request Read More...

PodSnack: WiMax

Turning to a theme of wireless , today we're going to shift to a technology that has been sitting in the wings for some time, building hype and promise. It's been up and done with the on-again-off-again Sprint/Clearwire project. Most recently Read More...

PodSnacks: Cable Modem

Today we spend a little time in the world of the cable television industry, and we look at a piece of equipment you probably have in your home or business if you get voice, Internet , or transport data services from your local cable company . The device Read More...

PodSnacks: Orthogonal Frequency Division Multiplexing

Our multiplexing theme continues. Recently, we talked about a multiplexing scheme found in wireless systems, called code division multiple access (CDMA). Today, Paul explains another multiplexing approach that is found in both wireless and wireline systems: Read More...

PodSnacks: Asymmetric Digital Subscriber Line

Since we've been talking a bit about DSL technologies, it seems a good time to focus in on one specific form of DSL: the one most commonly found. So today, Mark is going to give you a primer on Asymmetric Digital Subscriber Line (ADSL). You can listen Read More...

PodSnacks: Digital Subscriber Line Access Multiplexer (DSLAM)

We recently explored digital subscriber line (DSL). One important part of delivering DSL services to customers is a piece of equipment known as the DSL access multiplexer (DSLAM). In today's PodSnacks, I'll explore what this device is, what it Read More...

PodSnacks: Digital Subscriber Line (DSL)

We spent some time on DOCSIS , so I suppose it's only fair to give a bit of equal time. The telephone companies don't have a lot of coaxial cable in the local loop . What they do have a lot of is twisted pair . Enter digital subscriber line (DSL). Read More...

Mobile Broadband Tips and Comparisons

As I was wandering through my usual flood of email, newsletters, and RSS feeds, I stumbled on this little gem . The author calls it a road-warrior's guide to mobile broadband, but I don't think I would go quite that far. It's a little thin Read More...

tHAWT Episode #92: Totaled

In this episode , Dave , Mark , and I , linked up over skype. Being a very snowy week took its toll on us all but I think Dave takes the prize in that department. On the news front, we decided that the 700 Mhz auction was in its death rolls so left it Read More...

tHAWT Episode #79: Is the Third Time a Charm for Vonage?

In this episode of tHAWT, Dave and I discuss the plight of Vonage, as it is sued one more time. You know what they say: The third time's a charm. We also discuss some Verizon and AT&T announcements, as well as the bonds being issued in Massachusetts Read More...
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