Filter
Top Products
Glossary
802.3
is an IEEE standard for LANs, that defines the physical layer as coax or unshielded
twisted pair and the MAC (medium access control) layer as CSMA/CD (carrier-sense
multiple access with collision detection).
802.5
is an IEEE standard for LANs, that defines the physical layer as shielded twisted pair
and the MAC (medium access control) layer as Token Ring.
A
Address
is a coded representation of the destination of a message.
Alarm
see “Event.”
ACELP
Stands for Algebraic Code Excited Linear Predictive, which is a type of voice com-
pression algorithm that can be configured for SmartSwitch 1800 Voice ports.
ARP
stands for Address Resolution Protocol, which dynamically maps network addresses
to MAC addresses.
ASCII
stands for American Standard Code for Information Interchange.
ASCII terminal
is a VT100 or compatible video display terminal.
Async
stands for “asynchronous.”
Asynchronous
describes terminals, printers, and other devices that transmit data in a discontinuous
character stream; it also describes the protocol used to interconnect such devices.
ATC
Stands for Adaptive Sub-band Transform Coding, which is a type of voice com-
pression algorithm that can be configured for SmartSwitch 1800 Voice ports.
Auxiliary Console
is an async terminal connected to the Console port in a SmartSwitch 1800, and acting
as an operator console.