Glossary-18
International Telecommunications Union - Telecommunications Standards
Section, ITUTSS
Formally the CCITT, this committee makes international communications
recommendations to participating members. These are frequently adopted
and made standards by national organizations. The ITUTSS develops
recommendations that pertain to interfacing, modems, and data networks.
Membership includes various scientific and trade associations, as well as
governmental and private companies.
Internet
A collection of TCP/IP worldwide networks and gateways, including
ARPAnet, MILnet, and NSFnet.
IP Address
See
Network Address.
IPX, Internet Packet Exchange
Novell NetWare's native local area network communications protocol.
jumper
A miniature connector that fits over, and electrically connects two pins.
Kbps, kilobits per second
One thousand bits per second. (Example: 19,200 bps is 19.2 Kbps.)
KTS, key telephone system
In industry usage, a key telephone system in which the telephones have
multiple pushbuttons to allow users to select outgoing/incoming calls directly,
without dialing an access number such as 9. Generally, a key telephone
system has limited internal telephonetotelephone capacity. As related to
MICOM's domestic and international voice/fax modules, a strapping option
for compatibility with KTStype telephone interface equipment. In Universal
Voice Module, the option is called FXS.
LAN, local area network
A data communications network confined to a limited geographic area (up to
6 miles or about 10 kilometers) with moderate to high data rates (230 Kbps
to 100 Mbps). The area served may consist of a single building, a cluster of
buildings, or a campustype arrangement. It is owned by its user and
includes some type of switching technology, and does not use common carrier
circuits although it may have gateways or bridges.
LAPB, link access procedure balanced
The balancedmode, enhanced version of HDLC. Used in X.25
packetswitching networks. Contrast with LAPD.