HP StorageWorks A7298A Installation Manual page 88

Glossary
Protocol
A data transmission convention encompassing timing, control, formatting, and data
representation.
SCSI
Small Computer Systems Interface.
SelectID
Used to configure Seagate drives. A matrix for relating ALPA (hex) numbers to SelectID (hex)
numbers.
Shortwave
Refers to length of the wave or frequency in the spectrum of light. 780 nm is the operating range
of short wave lasers, while 1300nm describes the range of long wave lasers.
Simplex Cable
A term sometimes used for a single-fiber cable.
Simplex Transmission
Transmission in one direction only.
Single-Mode Fiber
An optical waveguide (or fiber) with a small core diameter in which only a single mode is
capable of propagation. This type of fiber is particularly suitable for wideband transmission
over large distances, since its bandwidth is limited only by chromatic dispersion.
Topology
The logical and/or physical arrangement of stations on a network.
Transducer
A device for converting energy from one form to another, such as optical energy to electrical
energy.
ULP
Upper Level Protocol.
Waveguide
Structure that guides electromagnetic waves along its length. An optical fiber is an optical
waveguide.
Wavelength
The distance between two crests of an electromagnetic waveform.
88 Host Bus Adapter for Windows and Linux Installation Guide