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Billing System vs. Billing Methodology
By Colleen

  If you are 5,000 subscribers today and plan on being 5,000 subscribers next year, this article is not for you. If you already have 65% of the houses passed in your franchise area with 60% high speed data penetration and 25% phone penetration, then this article is not for you.


If you are a small or mid-size cable company and are looking to grow your subscribers and revenue, keep reading. When most small and mid-sized companies think of a billing system they think about a glorified accounting package that gets a bill from your office to your subscribers. A Tier 1 billing system is NOT simply software. It is a collection of processes and software that have been developed over a long period of time to support the largest companies in our industry.

An effective and efficient billing system becomes the cornerstone to a solid financial foundation. It is ready for you to grow in regards to the number of subscribers or the services you offer. It is also the center of your data. It holds information on your subscribers, where they
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How A DSL Filter Works
By Jack Kennedy

  Most of the time, every telephone line will be equipped with a DSL filter and only the cable connection will be left without it. Installed on the telephone lines or some other type of analog device, a DSL filter ensures outside interference is prevented when DSL services are functioning on one line. Without this the connection can have major performance problems.


Many people split the telephone line keeping one line for the DSL modem and the other for the telephone and fax machine.

There are many devices with specific uses, such as special telephones for the deaf, that are not functional with a DSL filter. For these situations, a separate line will need to be installed.

How It Works

With the DSL filter installed, the analog low pass filter will ensure that the signals are not interfered with by any outside noise or higher frequency signals. Without this filter, you will experience connectivity problems, and possibly a buffer sound and gurgling noises in the background. This problem can be avoided when the telephone wires and the DSL modem line
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Full Frame vs. Crop Sensor DSLRs: What You Need to Know
By David Wilson

  If you're looking at getting a new digital SLR, you've probably come across the issue of sensor size. As you probably know, the sensor in a digital camera is responsible for capturing the image. Since DSLRs have much higher quality sensors than digital point and shoots, SLRs are able to achieve much better image quality. In general, the bigger the sensor, the better the image quality.


However, a larger image sensor also means higher cost, so SLR manufacturers had to compromise. Ideally, a digital SLR sensor would be exactly the same size as a frame of 35mm film. However, the cost of producing a sensor like this is so high that most manufacturers decided to create a smaller sized sensor, one that is a fair amount smaller than a full sized sensor. This creates the so called "crop factor"

This crop factor is usually a number around 1.5. Basically, this means that if you were to look at a full 35mm frame, the crop sensor would only capture a 1.5x crop of the frame. This
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