Perle 833IS, User Manual

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Glossary
300 Perle 833IS User Guide
Burned In Address
An address installed at the time of manufacture that cannot
be altered.
Callback
A Security feature where the Perle 833IS calls back the
User at a predetermined number defined in the User’s
account.
See Fixed and Roaming Callback
CBCP (Callback Control Protocol)
A callback protocol defined by a RFC.
Central Site
A generic term that refers to the Perle 833IS that you are
using.
Channel
Usually what you rent from the Telephone Company. Acts
like an individual telephone line and has a defined
frequency response, gain, and bandwidth. Also known as
circuit, facility, line or link.
Channelized
The division of a channel into smaller channels so that it can
carry more information.
CHAP (Challenge Handshake Authentication
Protocol)
Standard authentication protocol for PPP connections. It
provides a higher level of security than PAP and should be
used whenever possible.
see PAP
Community
A community is a group of users having a defined Name
and a defined Access level.
Compression
A method of reducing the representation of information
without reducing the information itself. Saves transmission
time.
Configure
The method of arranging hardware and software to
determine what the system will do.
CSU (Channel Service Unit)
A device that connects a digital telephone line to a
multiplexer, bridge or router.
Database
A collection of information or data organized in an efficient
way to allow quick and easy access to that information.
Default
R e f e r s t o t h e f a c t o r y s e t s o f t w a r e s e t t i n g s a n d
configurations.
Demark Point
The point of demarcation and connection between the
telephone company’s communication hardware and the
hardware of the subscriber. Also know as
demarcation
point .
DHCP (Dynamic Host Configuration Protocol)
A TCP/IP protocol that provides static and dynamic address
allocation and management.
Dial In
The process of attaching to a local network from a remote
client that is using dial-in software.
Dial Mode
Either Tone or Pulse.
Dial Out
The process of attaching to a remote server from a local
device that is using dial-out software.
Digital
On and Off signalling. A form of Binary Code where On is
represented by 1 and Off by 0. All computer communication
is in digital form. Other forms of communication not in digital
must be converted to digital before they are accepted by the
computer. Digital is the opposite of Analog.
See Modem
Disabled
No longer functioning.
DTMF Tones (Dual Tone Multi-Frequency)
Touch-tone dialing.
Dynamic
Refers to Hardware or Software that can respond instantly
to changes as they occur.
Emulation
When a piece of hardware or software acts like another in
order to allow a program written for one computer to work
on another computer.