HP StorageWorks Fabric OS 5.0.0 MIB Reference Guide (AA-RW1QA-TE, May 2005)

280 Glossary
GBIC
Gigabit interface converter. A removable serial transceiver module that allows gigabaud physical-level transport for
Fibre Channel and gigabit Ethernet.
Gbps
Gigabits per second (1 Gbps = 1,062,500,000 bits/second, 2 Gbps = 2, 125,000,000 bits/seconc).
GBps
Gigabytes per second.
GLM
Gigabit Link Module. A semitransparent transceiver that incorporates serializing/deserializing functions.
GMT
Greenwich Mean Time. An international time zone. Also known as UTC.
GUI
A graphic user interface, such as HP Advanced Web Tools arbitrated-loop topology and HP Fabric Manager.
HA
High availability. A set of features in HP StorageWorks switches that is designed to provide maximum reliability and
nondisruptive replacement of key hardware and software modules.
half duplex
A mode of communication that allows a port to either transmit or receive frames at any time except simultaneously
(with the exception of link control frames, which can be transmitted at any time). See also full duplex.
hard address
The AL_PA that an NL_Port attempts to acquire during loop initialization.
Hardware Translative Mode
A method for achieving address translation. There are two hardware translative modes available to a QuickLoop
enabled switch: Standard Translative Mode and QuickLoop Mode.
HBA
Host bus adapter. The interface card between a server or workstation bus and the Fibre Channel network.
hop count
The number of ISLs a frame must traverse to get from its source to its destination.
host
A computer system that provides end users with services like computation and storage access.
hot swappable
A hot swappable component can be replaced while the power is on.
HTTP
Hypertext Transfer Protocol. The standard TCP/IP transfer protocol used on the World Wide Web.