Perle 833IS, User Manual

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Perle 833IS User Guide 299
Glossary
3270
A class of IBM terminals and printers used in SNA
Networks.
5250
A class of IBM terminals used in mid-range environments.
e.g. AS/400
Analog
Refers to telecommunication and/or switching that is not
digital. e.g. voice communication over the phone.
Computers require digital, therefore computers require
modems to communicate over voice grade telephone lines.
ANSI
American National Standards Institute
ARA (Apple Remote Access)
Apple’s dial-in client software for Mac users allowing them
remote access with other servers.
Asset ID
A way to identify a server.
Async Control
Allows you to select control characters that are prohibited
from transmission. A technique where control characters
are converted into non-control characters for transmission
and then converted back at the destination.
AT command
Also known as the Hayes Standard AT Command Set. A
language that allows PC communication software to get a
WAN and Hayes-compatible modem to do what you want it
to.
ATP (AppleTalk Transaction Protocol)
A transport level protocol that provides reliable, connection
oriented, and sequenced data transfer.
AUI (Autonomous Unit Interface)
Refers to the 15 pin D type connector and cables that
connects single and multiple channel equipment to an
Ethernet transceiver.
Axent
A software based security server that provides user
authentication using their SecureNet Key cards.
Base MAC Address
This is the base address for the address range filter. The
address is a 12 hex digit value that ends in 00. The legal
values are 020000000000 to 02FFFFFFFF00 for Ethernet,
and 400000000000 to 40FFFFFFFF00 for Token Ring.
Beacon
A Token Ring frame that has been sent by an adapter after
it has detected a serious problem on the ring. i.e. a broken
cable.
see Beaconing
Beaconing
When a Token Ring adapter has sent a beacon frame
indicating a serious network problem, it is said to be
beaconing.
See beacon
Bindery
A Novell NetWare database that contains information about
users, servers, groups and other elements.
BNC (Bayonet-Neill-Concelman connector)
A small coaxial connector with a half twist locking shell that
is used on the Ethernet.
BOOTP (BOOTstrap Protocol)
A single BOOTP message specifies many of the items used
at start-up, including IP address, the address of the
gateway, and the address of the server.
BRI (Basic Rate Interface)
One of two interfaces in ISDN. Also called the 2B+D
interface. Consists of 2 bearer B channels and a data D
channel.
See ISDN and PRI
Bridge
A Network Device that connects two networks so that
devices on one network can communicate with devices on
the other network. Sometimes called a
Filtering Bridge. See
Router.