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Wednesday, July 23, 2008

Evaluating Bandwidth Choices-OC3 vs OC12 vs OC48

Looking for bandwidth? That can be a daunting and frustrating task even in the best of situations. There's lots to consider in order to make the right decision for your needs. Below you'll find some help when evaluating OC3 vs OC12 vs OC48. Factors covered include Technology, Speed, Description, Application, Pros, Cons, and Cost.

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Technology: OC3

Speed: 155.52 Mbps

Description: Optical carrier (fiber) connected by equipment capable of speeds up to 155.52 Mbps.

Application: Large enterprise or ISP backbone.

Pros: Extremely high speed and throughput.

Cons: Extremely high cost.

Costs: Expect cost of an OC3 to start at around a $10-30,000 for a stable, reliable system (e.g. from a Tier 1 provider).....not including local loop or extensive setup. However....the pricing for these connections can vary widely depending on the carrier, location of service and the application for which the connection is being used. For example...Tier 1 providers may cost more than local/regional Tier 2 and Tier 3 providers but are much more stable and reliable. A Tier 1 provider should always be the provider of choice for any business serious about the quality of their OCx network.

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Technology: OC12

Speed: 622.08 Mbps

Description: Optical carrier (fiber) connected by equipment capable of speeds up to 622.08 Mbps.

Application: Large enterprise or ISP backbone.

Pros: Extremely high speed and throughput.

Cons: Extremely high cost.

Costs: Expect cost of an OC12 to start at around $1-300,000+ for a stable, reliable system (e.g. from a Tier 1 provider)..... plus several hundred thousand dollars in setup costs. However....the pricing for these connections can vary widely depending on the carrier, location of service and the application for which the connection is being used. A Tier 1 provider should always be the provider of choice for any business serious about the quality of their OCx network.

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Technology: OC48

Speed: 2.488 Gbps (Gigabytes per second)

Description: Optical carrier (multiple strands of fiber) connected by equipment capable of speeds up to 2.488 Mbps.

Application: Large enterprise or ISP backbone.

Pros: Extremely high speed and throughput.

Cons: Extremely high cost.

Costs: Expect cost of an OC48 to start at around $3-500,000 for a stable, reliable system (e.g. from a Tier 1 provider)..... plus several hundred thousand dollars in setup costs. However....the pricing for these connections can vary widely depending on the carrier, location of service and the application for which the connection is being used. A Tier 1 provider should always be the provider of choice for any business serious about the quality of their OCx network.

Michael is the owner of FreedomFireCommunications....including DS3-Bandwidth.com and Business-VoIP-Solution.com. Michael also authors Broadband Nation where you're always welcome to drop in and catch up on the latest BroadBand news, tips, insights, and ramblings for the masses.

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Build A Wireless Data Acquisition Network!

Today with the swift rise of WiFi and Bluetooth technologies, the wireless data acquisition network is becoming more and more a possibility. That is why; you find a number of users are moving towards a wire less system. The data acquisition system block diagram might look all the same as in the case of the wired system. That is so because; all that the wireless data acquisition network replaces is the wired network alone. It works exactly the same way only difference is that instead of transmitting over a wired network, the system would transfer the data over a wireless data acquisition network.

How does this work? In these systems, normally a transducer is fixed with a wireless capable transmitter. This transmitter will be in line with any of the standard communication protocol. There might be the WiFi or Bluetooth enabled transmitter embedded in the transducer itself. This would help the designers to get the signal from the transducer over a wire less system. In those conditions, using a standard WiFi or a Bluetooth is not possible since only digital signals could be transmitted over such networks. Therefore, these get transmitted as a RF signal. The RF signal is isolated and the value taken before making use of it at the destination point.

In the cases where the Analog to digital converter does the job of transmission, it is normally transferred in a digital mode. Under this condition, it is found that the standard forms of transmission carry more weight and it is also easy to use such data. The data would then ensure that the WiFi or Bluetooth is received using an appropriate design. In such cases it is also very easy and comfortable to provide a network since these devices also provide a plug out of its Ethernet port. This will bring the device in to the computer network without any issues. In addition to this, the software programming for capturing the input from such an Ethernet port is pretty easy as well.

You can build your own wireless data acquisition network using the relevant devices for these purposes available over the internet. There are sites that specialize in marketing such devices. Many of them have the capability to design and deliver the wireless data acquisition network depending upon your needs. On many occasions, the entire network is designed over a wireless platform. This is easier to do than the wired ones. Cost wise of course, the wired might be cheaper when you are investing into the equipments. But that is short run one; in the long run, the wireless data acquisition network will become cheaper and more comfortable to use. The reason for such a happening is that the initial investment in the wireless data acquisition network is to take care of the complete setup; since there is no involved hardware maintenance and these devices do not run through the process of maintaining such a job of network cabling, etc., There is also a reduction in the overall gain of the company in employing wireless data acquisition network.

Francisco Segura owns and operates http://www.dataacquisitioncenter.com

Data Acquisition

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