Specifications

GL–9
Compaq HSG80 Array Controller ACS Version 8.4 Configuration and CLI Reference Guide
full duplex (adj) Pertaining to a communications method in which data can be transmitted and
received at the same time.
FWD SCSI A fast, wide, differential SCSI bus with a maximum 16-bit data transfer rate of 20
MB/s.
See also SCSI and FD SCSI.
GBIC Gigabit Interface Converter. The devices that are inserted into the ports of the Fibre
Channel switch and that hold the Fibre Channel cables.
GLM
Gigabit link module
giga A prefix indicating a billion (10
9
) units, as in gigabaud or gigabyte.
gigabaud An encoded bit transmission rate of one billion (10
9
) bits per second.
gigabyte A value normally associated with a disk drives storage capacity, meaning a billion
(10
9
) bytes. The decimal value 1024 is usually used for one thousand.
half-duplex (adj) Pertaining to a communications system in which data can be either transmitted or
received but only in one direction at one time.
hard address The AL_PA which an NL_Port attempts to acquire during loop initialization.
heterogeneous host
support
Also called
noncooperating host support .
HIPPI–FC Fibre Channel over HIPPI
host The primary or controlling computer to which a storage subsystem is attached.
host adapter A device that connects a host system to a SCSI bus. The host adapter usually
performs the lowest layers of the SCSI protocol. This function may be logically and
physically integrated into the host system.