Service manual

Glossary
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Glossary
IP address See Internet protocol address.
IPL See initial program load.
ISL See interswitch link.
K
Kb See kilobit.
KB See kilobyte.
kilobit A unit of measure for data storage, equal to 1,024 bits. A kilobit is
generally approximated as one thousand bits.
kilobyte A unit of measure for data storage, equal to 1,024 bytes. A kilobyte is
generally approximated as one thousand bytes.
L
LAN See local area network.
laser Acronym for light amplification by stimulated emission of radiation.A
device that produces a powerful, narrow beam of coherent light of a
single wavelength by simulating the emissions of photons from
atoms, molecules, or ions.
latency For Fibre Channel applications, the time elapsed between receipt of a
data frame at aswitch’s incoming F_Portto retransmissionof thedata
through the switch’s outgoing F_Port to a destination N_Port.
LED See light-emitting diode.
light-emitting diode A semiconductor chip that emits visible or infrared light when
electricity passesthrough it.LEDs areused ondirector orswitchfront
bezels and FRUs to provide visual status indications.
LIN See link incident.