HP 316095-B21 - StorageWorks Edge Switch 2/24 Installation Manual page 127

Glossary
jumper cable
Optical cable that provides physical attachment between two devices or between a device and
a distribution panel. Contrast with trunk cable.
laser
Light Amplification through Simulated Emissions of Radiation. A device that uses the
oscillation of atoms or molecules between energy levels to generate a narrow, finely focused
beam of light. The light has a single wavelength or narrow spectrum of wavelengths and is
matched in phase and frequency.
latency
When used in reference to a Fibre Channel switching device, latency refers to the amount of
time elapsed between receipt of a data transmission at a switch's incoming F_Port (from the
originating node port) to retransmission of that data at the switch's outgoing F_Port (to the
destination N_Port). The amount of time it takes for data transmission to pass through a
switching device.
LED
Light-emitting diodes (LEDs) on switch FRUs and the front bezel that provide visual
indicators of hardware status or malfunctions.
LIN
See link incident.
link
Physical connection between two devices on a switched fabric.
link incident
A link incident is a problem detected on a fiber optic link, like the loss of light, invalid
sequences and other problems.
link incident alerts
A user notification, such as a graphic symbol in the Hardware View that indicates that a link
incident has occurred.
load balancing
Ability to evenly distribute traffic over multiple interswitch links within a fabric. Load
balancing on HP switches takes place automatically.
log
A record, as of the performance of a machine or the progress of an undertaking.
edge switch 2/24 installation guide Glossary–13