BinTec X4000, Руководство пользователя

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484 X4000 User’s Guide
Glossary
Telematics Telematics is a combination of telecommunication and computer technology
and describes data communication between systems and devices.
Telnet Protocol from the
➤➤
TCP/IP protocol suite . Telnet enables communication
with a remote device in the network.
TFTP Trivial File Transfer Protocol
Protocol for data transmission.
TFTP server software is a part of
➤➤
DIME Tools . It is used for the transfer
of configuration files and software to and from the router.
U-ADSL Universal
➤➤
Asymmetric Digital Subscriber Line
The data rate is 128 kbps
➤➤
upstream and 1 - 9 Mbps
➤➤
downstream
over ranges of up to 5.5 km.
The main U-ADSL applications are:
➤➤
POTS Internet access.
UDP User Datagram Protocol
A transport protocol similar to
➤➤
TCP . UDP offers no control or
acknowledgment mechanisms, but is faster than TCP. UDP is connectionless
in contrast to TCP.
Upstream Data transmission rate from the client to the
➤➤
Internet Service Provider .
URL Universal/Uniform Resource Locator
Address of a file on the Internet
V.11 ITU-T recommendation for balanced dual-current interface lines (up to
10 Mbps).
V.24 CCITT and ITU-T recommendation that defines the interface between a PC or
terminal as Data Terminal Equipment (
➤➤
DTE ) and a modem as Data
Circuit-terminating Equipment (
➤➤
DCE ).
V.28 TU-T recommendation for unbalanced dual-current interface lines
V.35 ITU-T recommendation for data transmission at 48 kbps in the range from 60-
108 kHz.
V.36 Modem for
➤➤
V.35 .