GAI-Tronics LE300-IP Page/Party Line Extender - Manual (Page 70)

Pub. 42004-488C
M ODEL LE300-IP P AGE /P ARTY
®
L INE E XTENDER P AGE 67 of 68
e:\standard ioms - current release\42004 instr. manuals\42004-488c.doc
09/14
Term Definition
LVDS
Acronym for Low Voltage Differential Signaling.
Master Clock
The source of timing signals (or the signals themselves) that all network
stations use for synchronization.
Muting
The act of silencing an audio broadcast.
NTP
The Network Time Protocol, a protocol for synchronizing the clocks of
computer systems over packet-switched, variable-latency data networks. NTP
uses UDP on port 123 as its transport layer.
Off-hook
A state where a handset is not in the cradle.
On-hook
The handset is in the cradle.
Page
A one-way audio announcement that is broadcast from loudspeakers.
Page/Party
®
Handset Station
A device that performs all of the following: amplifies audio broadcast in a
Page/Party
® zone, allows a user to initiate a page, and allows a user to conduct a
2-way party line conversation. A station contains a distributed amplifier.
Page/Party
®
Products
A family of products designed and manufactured by GAI-Tronics Corporation.
Page/Party
®
Speaker Amplifier
Station
A device that amplifies audio broadcast in a Page/Party ® zone.
Page/Party
®
Zone
The collection of Page/Party ® and/or SmartSeries products connected to a
common circuit.
Party Line
Conversation
Full-duplex communication conducted by two or more users and/or operators.
Conversation is not broadcast over speakers.
Port The physical interface to a computer or multiplexer, for connection of terminals
and modems.
PPI Acronym for Page/Party ® Interface. A card that allows one Page/Party ® zone to
be connected to an ADVANCE control cabinet.
Protocol
A formal set of conventions governing the formatting and relative timing of
message exchange between two communicating systems.
Pseudowire
Point-to-point connections set up to emulate (typically Layer 2) native services
like ATM, Frame Relay, Ethernet, TDM, or SoNET/SDH over an underlying
common packet-switched network (Ethernet, MPLS or IP) core. Pseudowires
are defined by the IETF PWE3 (pseudowire emulation edge-to-edge) working
group.