MCK pbxgateway Administrator's Manual page 231

Glossary
DS-0
Digital Service, Level 0. It is 64,000 bps, the worldwide standard speed
for digitizing one voice conversation using PCM.
DSP
Digital Signal Processor. A specialized computer chip designed to
perform speedy and complex operations on digitized signals.
E
Ethernet
A local area network used for connecting computers, printers,
workstations, terminals, servers, etc. Ethernet operates over twisted wire
and over coaxial cable at speeds up to 100Mbps.
F
Facility
Transmission facilities. Usually a two metallic pair set of cords, but can be
telephone company carriers, T-1, microwave or dial-up
telecommunications lines.
FRAD
Frame Relay Access Device. A FRAD is responsible for framing data with
header and trailer information prior to presentation of the frame to a frame
relay switch. A FRAD may be a standalone device, although the function
generally is embedded in a router.
Frame Relay
An access standard delivered by local and long distance carriers, which
can accommodate voice packets of various sizes associated with virtually
any protocol.
FTP
File Transfer Protocol. A connection protocol used to send and receive
files.
Issue 2.1 December 1999
8-5