
Glossary
Glossary-26
255-700-243
PacketStar
®
PSAX 12-Port Medium-Density DS1 Multiservice Module User Guide
, Issue 1
Release 8.0
FRF.8
Frame Relay/ATM PVC Service Interworking Implementation
Agreement. The interoperability standard adopted by the
ATM Forum which defines a standard way for a frame relay
site to communicate with an ATM site; it depends on conver-
sion of the frames into ATM cells.
FRF.
x
A reference to a voice over Frame Relay Implementation
Agreement, which specifies how frames are relayed.
FSK
frequency shift keying. A modulation technique for translat-
ing 1’s and 0’s into something that can be carried over tele-
phone lines, such as sounds.
FTP
file transfer protocol. A program that allows users to quickly
transfer text and binary files to and from a distant or local PC,
list directories, delete and rename files on the foreign host,
and perform wildcard transfers between hosts.
FX
foreign exchange service. A service that provides local tele-
phone service from a Central Office which outside (foreign
to) the subscriber’s exchange area.
FXO
foreign exchange office. A service provided by the local tele-
phone company from a Central Office outside the subscriber's
exchange area, that is provided by a foreign exchange (FX)
trunk line.
FXS
foreign exchange station. The connection configuration
between an FXO and a POTS.
G
gateway
A shared connection between a LAN and a larger system, or a
large packet-switched network whose communication proto-
cols differ.
Gb
gigabit, 10
9
bits
GB
gigabyte, a unit of physical data storage equal to
1,073,741,824 bytes.
Gbps
gigabits per second
GBR
guaranteed bit rate
GCAC
generic connection admission control. A process that deter-
mines if a link has enough resources to support a connection.
generic connection admission con-
trol
See GCAC.
generic flow control
See GFC.
GFC
generic flow control. A field in the ATM header which can be
used to provide local functions (e.g., flow control). It has local
significance only and the value encoded in the field is not car-
ried end-to-end.
Содержание PacketStar PSAX
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Страница 405: ...Part Number 534M0A8001D1 Copyright 2002 Lucent Technologies All rights reserved ...