BinTec X3200, User Manual

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400 BinTec Communications AG
Glossary
T1: American variant of the ISDN Primary Rate Interface with 23 basic channels
and one D-channel (1.544 Mbps).
EAZ Terminal Selection Digit
Is only used in the
➤➤
1TR6 system and designates the last digit of an exten-
sion number. It is used for dialing various terminals connected to the ISDN Ba-
sic Rate Interface (e.g. fax). This occurs by attaching one digit between 0 and
9 to the actual ISDN telephone number. In Euro ISDN (DSS1), the complete ex-
tension number,
➤➤
MSN , is transferred instead of the EAZ.
Encapsulation Encapsulation of
➤➤
data packets in a certain protocol for transmitting the
packets over a network that the original protocol does not directly support (e.g.
NetBIOS over TCP/IP).
Encryption Refers to the encoding of data, e.g.
➤➤
MPPE .
Ethernet A local network that connects all devices in the network (PC, printers, etc.) via
a twisted pair or coaxial cable.
Filters A rule that defines a set of packets that should or should not be transmitted by
the router.
Firewall Designates the whole range of mechanisms to protect the local network against
external access. X3200 provides protection mechanisms such as
➤➤
NAT ,
➤➤
CLID ,
➤➤
PAP/CHAP , access lists, etc.
FTP File Transfer Protocol
A TCP/IP protocol used to transfer files between different hosts.
Gateway Entrance and exit, transition point
Component in the local network that offers access to other networks, also offers
transitions between different networks, e.g.
➤➤
LAN and
➤➤
WAN .
HDSL High Data Rate
➤➤
DSL
The
➤➤
upstream and
➤➤
downstream data rates are:
➤➤
T1 1.554
Mbps and
➤➤
E1 2.048 Mbps over ranges up to 4 km.
The main HDSL applications are: High-speed data communication over leased
lines.
HDSL2 High Data Rate
➤➤
DSL , version 2