Broadband Glossary

A glossary of terms relating to broadband.

ADSL: Asynchronous (asymmetrical) Digital Subscriber Line
SDSL: Synchronous (symmetrical) Digital Subscriber Line
Router/Modem: Apparatus designed to convert digital streams into standard signalling to pass over standard voice wires. Also hosts account information for access to the specified internet network
LLU: Local Loop Unbundling; where a network provider has equipment within the local exchange to ransfer calls and data via their own local network
ISP: Internet Service Provider; company that offers its customers access to the Internet
Download: The network see downloading as browsing. The download speed on a service is the browsing speed
Upload: Upload speed is the speed he network offers to you to download items to your PC
Contention Ratio: The maximum number of subscribers vying for the down and upload speeds at that exchange
MAC code: This stands for Migration Access Code and allows you to switch between broadband suppliers on your existing telephone line.

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