Optronics – International

Using technology to improve vision

Home - News - What Is The Modem Adsl

What Is The Modem Adsl

Posted on September 2, 2013 in News

Users wishing to connect to ADSL broadband need use the ADSL modem to do so. ADSL modems are a very cost effective solution for users and are popular around the world. ADSL modem allows Internet data transfer directly to your computer. Users can purchase these modems on the market with different ranges of speed and capabilities. The minimum configuration allows data speeds of 1.5 or 2.0 Mbps of download in a 16 Kbps other settings duplex channel offer 6.1 Mbps rates, along with a duplex of 64 Kbps can also choose products with download speeds of 8 Mbps and duplex up to 640 Kbps there rates three types of ADSL modems. They are the ADSL Ethernet, PCI ADSL modem and modem USB ADSL modem.

The ADSL Ethernet modem can be fed directly to an Ethernet port to PC or to add a modem for band routers broadband safe. PCI ADSL modem will fit inside the computer. ADSL USB modems are the most popular form of all ADSL modems, and designed to connect individual computers to ADSL lines, modems are usually included in offers ADSL internet, a type of contract while the service taken in a specific company. How does an ADSL modem? ADSL modem organizes the flow of data aggregated in blocks. These data are created by multiplexing channels downloads, duplex channels, and maintenance channels. During data transmission, the ADSL modem assigns an error correction code to each block.

ADSL modems can create multiple channels for transferring data, therefore the ADSL modems divide available bandwidth of a telephone line in two ways, Frequency Division Multiplexing (FDM) and echo cancellation. The FDM assigns a band to upload data and assigned another band of downloads. In addition, the downward trajectory is subdivided into one or more channels of high-speed time division.