-12 Glossary
Model No.
Running Head
Internet Protocol
IPR
Internet Protocol Router
ISP
Internet Service Provider
ITU
International Telecommunications Union (previously known as CCITT [Consultative
Committee for International Telegraph and Telephone])
ITU-T
International Telecommunications Union, Technical sector
IXC
Inter-exchange Carrier (also called IEC)
Kbps
Kilobits per second
LAN
Local Area Network
LANE
LAN Emulation
loopback
Path for returning a signal back to the point of o rigin for circuit testing
LOS
Loss Of Synchronization. Shows the number of seconds for which the BRI port detects LOS.
LSB
Least Significant Bit
LT