Interlogix TruPortal User Manual

Page 131

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TruPortal Software User Guide

119

Glossary

PAL

A video standard used in Europe, Australia,
and New Zealand. PAL video broadcasts 625
lines every 1/25 second.

PIN

Acronym for personal identification number,
a number typically associated with an
individual and used for access control

PTZ

Acronym for Pan-Tilt-Zoom. A feature on
cameras that can pan, tilt, and zoom via
computer control. PTZ allows for a larger
viewing area for a camera by allowing it to
rotate in different directions.

Request to Exit

Request to Exit (RTE) devices are used to
allow passage through locked doors from the
protected side of controlled entry points. An
RTE contact is typically a button located
near the associated door. When a cardholder
pushes the button, an RTE is sent to the
panel.

Router

An intelligent 'hub' that allows multiple sub-
nets to be connected together to share
resources and data

SMTP

Acronym for Simple Network Management
Protocol. A standard for transmitting email
across IP networks.

SNMP

Acronym for Simple Mail Transfer Protocol.
A method of managing various pieces of
hardware, for example a printer, connected
to a network.

SSL

Acronym for Secure Sockets Layer, a
common protocol for authentication and
encrypted communication on the Internet.
SSL is used in communication with both
web servers (HTTPS) and LDAP servers.

Subnet

A group of computers sharing the same
network properties and network resources

Supervised

A door or enclosure wired with a continuity
circuit so as to detect tampering.

TCP/IP

Acronym for Transmission Control Protocol/
Internet Protocol. A suite of communication
protocols used to connect hosts on the
Internet.

TCP/IP Port

Each process that wants to communicate
with another process identifies itself to the
TCP/IP protocol suite by one or more ports.
A port is a 16-bit number, used by the host-
to-host protocol to identify to which higher
level protocol or application program
(process) it must deliver incoming messages.

Unsupervised

A door or enclosure which is not wired with
a continuity circuit so as to detect tampering.

URL

Acronym for Uniform Resource Locator. A
URL is the address of a resource, or file,
available on a TCP/IP network such as the
Internet.

UTC Time

An acronym for Coordinated Universal
Time, a time scale that joins Greenwich
Mean Time (GMT) which is based on the
Earth's inconsistent rotation rate, with highly
accurate atomic time. When atomic time and
Earth time approach a one second difference,
a leap second is added to UTC time.

Wiegand

An access control technology that uses cards
containing magnetically charged tungsten
wires cut into strips and mounted vertically
in columns.

Wizard

A program utility that is used, as a guide, to
work step-by-step through a process.

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