ADSL

ADSL or Asymmetric Digital Subscriber Line is a form of DSL technology. Characteristic of ADSL is its asymmetric, ie that data transferred in a different speed from one side to another.

ADSL Feature
ADSL itself has a variety of speeds, type of router, USB and other devices inside. For example there can be used for two computers using a USB connection, but there also can be used for four computers with an Ethernet LAN connection. But it is better to choose an ADSL modem, we chose to use a modem that has the on and off. This is meant so that we can regulate the use of the connection as much as we need and save the cost of connection is used.
Another important thing which is owned by the ADSL modem is that there is a useful indicator light to know the process connection occurs.
Of the three existing indicator lights on the modem, the most important is the PPP and DSL light. Where is the DSL light indicates a connection has been connected with either the line. While the PPP light indicates the data flow when a person browsing.


Advantages of ADSL

The use of ADSL internet making activities become much cheaper. So that we can be surfing without worry about the bill's swollen.

Frequency division into two, namely to deliver high-frequency data, while the low frequencies to deliver voice and fax.


Lack of ADSL

As the distance is very influential on the speed of data transmission.

The existence of load coils that are used to provide telephone services to the affected areas, while the load induction coils itself is shifting the equipment onto the carrier frequency.

Not all software can use an ADSL modem

Bridged taps existence, namely the cable that are not on a direct path between the customer and the CO

The use of fiber optics in digital phone lines in use today. Where the use of optical fiber is not in accordance with ADSL systems that still use analog channels namely copper cable, so it will be difficult in the delivery of signals through optical fiber.

Source : www.wikipedia.com