Difference between revisions of "Glossary"
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* '''ADSL''' - Asymmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which greater provision is made for downstream data transfer than upstream. | * '''ADSL''' - Asymmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which greater provision is made for downstream data transfer than upstream. | ||
+ | * '''FTTC''' - Fibre To The Cabinet. A hybrid arrangement for telephone lines; fibre-optic cable links the exchange to street cabinets, and copper cable links the cabinets to user premises. Used for BT Infinity and similar offerings from other ISPs. | ||
+ | * '''FTTP''' - Fibre To The Premises. Fibre-optic cable links the exchange directly to user premises. | ||
* '''LAN''' - Local Area Network. A network of computers and associated devices which is entirely within a limited area, such as a house, school or office building. | * '''LAN''' - Local Area Network. A network of computers and associated devices which is entirely within a limited area, such as a house, school or office building. | ||
* '''SDSL''' - Symmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which equal provision is made for downstream and upstream data transfer. | * '''SDSL''' - Symmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which equal provision is made for downstream and upstream data transfer. | ||
+ | * '''VDSL''' - Very-high-bit-rate Digital Subscriber Line. A protocol for broadband connections over telephone lines, coaxial or fibre-optic cable. | ||
+ | * '''VDSL2''' - Very-high-speed Digital Subscriber Line 2. An enhanced version of VDSL, currently being employed on BT FTTC lines. | ||
* '''WAN''' - Wide Area Network. A telecommunications network which covers a broad area and links together several localities. | * '''WAN''' - Wide Area Network. A telecommunications network which covers a broad area and links together several localities. | ||
* '''Wi-Fi''' or '''WiFi''' - A means of linking together electronic devices by wireless. Can be used within a LAN or to connect to a WAN by means of a hotspot. | * '''Wi-Fi''' or '''WiFi''' - A means of linking together electronic devices by wireless. Can be used within a LAN or to connect to a WAN by means of a hotspot. |
Revision as of 19:50, 28 December 2011
A collection of technical terms and abbreviations.
Contents
Technical terms
- Downstream - Refers to the movement of data towards the user from a remote location.
- Upstream - Refers to the movement of data away from the user towards a remote location.
Abbreviations
- ADSL - Asymmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which greater provision is made for downstream data transfer than upstream.
- FTTC - Fibre To The Cabinet. A hybrid arrangement for telephone lines; fibre-optic cable links the exchange to street cabinets, and copper cable links the cabinets to user premises. Used for BT Infinity and similar offerings from other ISPs.
- FTTP - Fibre To The Premises. Fibre-optic cable links the exchange directly to user premises.
- LAN - Local Area Network. A network of computers and associated devices which is entirely within a limited area, such as a house, school or office building.
- SDSL - Symmetric Digital Subscriber Line. A protocol for broadband connections over telephone lines, in which equal provision is made for downstream and upstream data transfer.
- VDSL - Very-high-bit-rate Digital Subscriber Line. A protocol for broadband connections over telephone lines, coaxial or fibre-optic cable.
- VDSL2 - Very-high-speed Digital Subscriber Line 2. An enhanced version of VDSL, currently being employed on BT FTTC lines.
- WAN - Wide Area Network. A telecommunications network which covers a broad area and links together several localities.
- Wi-Fi or WiFi - A means of linking together electronic devices by wireless. Can be used within a LAN or to connect to a WAN by means of a hotspot.