Paradyne 6212 manual 102

upload: To receive a file transmitted over a network.

URL: Uniform Resource Locator. An Internet standard addressing protocol for describing the location and access method of a resource on the Internet.

USB: Universal Serial Bus. A bi-directional, isochronous, serial interface for adding dynamically connectable peripheral devices, without the need for a reboot.

UTP: Unshielded twisted pair is the most common kind of copper telephone wiring.

VC: Virtual Circuit. A logical connection or packet-switching mechanism established between two devices at the start of transmission.

VCI: Virtual Channel Identifier. The 16-bit field in an ATM cell header that specifies the virtual channel over which the cell is to be transmitted.

VDSL: Very-high-speed DSL. A DSL protocol running at up to 52 Mbps, that is restricted to short distances.

virtual circuit: A logical circuit established between two devices at the start of transmission

VOD: Video On Demand. A service that provides video to subscribers upon request.

VPI: Virtual Path Identifier

VPI: Virtual Path Identifier. The 8-bit field in an ATM cell header that specifies the routing path for a cell.

VPN: Virtual Private Network. A network implemented over a public network that is made “private” by use of encryption.

VT100: A terminal used for asynchronous communications.

WAN: Wide area network. A communications network that connects geographically separated areas (Compare with LAN).

xDSL: A generic term for all varieties of DSL.

XOFF: A character that notifies a device to stop transmitting data.

XON: A character that notifies a device to start or resume transmitting data.

102 July 2004 6212-A2-GB20-20