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Asynchronous Data Subscriber Line versus Digital Subscriber Loop
By Carol S. Miller; RN, MBA
Asynchronous Data Subscriber Lines
ADSL is a very fast digital line provided by the telephone company. If available in your area, the ADSL provides fast connections, but generally not as fast as cable. There are various choices, beginning around 256 kbps (about five to six times the speed of a fast modem) going up to 7 Mbps. Prices begin around $60 per month (including Internet service). There is also a set-up charge and a card needs to be inserted in your computer.
Digital Subscriber Lines
DSL is a high-speed direct line that can be 20-100 times faster in communication over the modem, depending on the type selected. Prices for the DSL begin at approximately $30-$40 per month and that includes Internet access. In addition, there is a set-up charge and a network card will need to be installed into the computer. Office workstations can usually share DSL circuits over their existing local area network (LAN).
Internet Connection
To connect with the Internet, as a rule of thumb, the faster the better; therefore, the office should have at least 56 kbps. DSL normally runs over the same line as a basic telephone voice circuit and provides Internet access from speeds of 384 kbps all the way up to 1.54 mbps (megabits per second). The advantage of this configuration is you not only have high-speed access to the Internet, your telephone is still free to make and receive calls at the same time.
Integrated Services Digital Network
A digital telephone line that allows voice and data to be transmitted on the same line in a digital format – instead of analog – and at a relatively high speed, usually around 64 to 128 kbps. When reviewing this service, make sure the ISP has an ISDN connection. If not, you will be charge more by both the telephone company and the ISP. Prices for the ISDN average around $300 plus, with an extra fee to install the telephone line and a monthly service charge of $25 to $100 plus to maintain.
Wireless Network (WiFi – 802.11b)
The biggest change to happen to computers in the last ten years has undoubtedly been the Internet. Close on its heels in importance may just be the adoption of the wireless network access. Wireless Fidelity, or Wi-Fi, is now cost effective and available at the computer store. It is no longer necessary to re-wire buildings with Category 5 wire to provide LAN connectivity and resource sharing to multiple computers. Wi-Fi, or IEE standard 802.11b, enables small offices to connect up to four computers to a single network for less than the cost of a single computer. This means the days of multiple analog lines to offer Internet access to every computer, or a printer on every desktop, are going away. Now a single cable modem or DSL line and a centralized printer can service four users. This can save a small business hundreds of dollars a year.
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Limited Connectivity
For limited connectivity, computer stores are stocked with wireless vendor products that are cost effective, easy to install, and very robust that will push even the most cautious computer user to take the leap to wireless computing. Not only does it make the initial cost to install a network cheaper than it has ever been before, it eliminates the cost to remodel or move computers within a building since instead of requiring data wiring at each proposed desktop all you need now is an electrical outlet to power the PC itself.
Satellite
This is a more modern device. In the past, satellite connections were at 400K bps or fourteen times faster than the average modem. As an example, a 2MB file would be downloaded in 30-40 seconds. Benefits of the satellite connection are: The connection is always on; it is reliable; there is a secure connection; office can have multiple e-mail addresses; the web space is free; and there is tech support coverage nationwide. Costs include around $300 for the equipment, $150 plus to install the equipment, and around $30 to $50 per month for service. Web site reference is satcast.com (DirecWay Satellite Dish).
Conclusion
And so, your thoughts and comments on this Medical Executive-Post are appreciated? Who can update the above post for modernity?
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Filed under: Book Reviews, Glossary Terms, Health Law & Policy, iMBA, Inc., Information Technology, Practice Management, Recommended Books, Sponsors | Tagged: ADSL, asynchronous data subscriber line, cable modem, carol s. miller, david marcinko, digital subscriber line, digital subscriber loop, DSL, EHRs, EMRs, hope hetico, IEE, internet connection, ISDN, LAN, moodem, WAN, WiFi, WiMax, wireless network, www.healthcarefinancials.com, www.healthdictionaryseries.com | Leave a comment »
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