Training. crus are considered to be a subset of, Field-replaceable units (frus) – HP NonStop G-Series User Manual
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F
fabric
A complex set of interconnections through which there can be multiple and (to the user)
unknown paths from point to point. The term fabric is used to refer to the X or Y portion
of the ServerNet communications network; for example, the X fabric.
See also
fan
A component that circulates air into the
to help maintain optimal temperature.
Fast Ethernet ServerNet adapter (FESA)
A single-ported ServerNet adapter that supports 100-megabit/second (Mbps) or 10-Mbps
Ethernet data transfer rates on an HP NonStop™ S-series server.
Fiber Optic Extension (FOX)
Refers to two products, FOX II and ServerNet/FX, which allow you to create high-speed
(up to 4 megabytes/second) networks of as many as 14 systems connected by dual
fiber-optic cables.
Fiber-optic ServerNet cable
A ServerNet cable that uses fiber optics to transmit data. HP NonStop™ servers support
two types of fiber-optic ServerNet cables: multi-mode fiber-optic (MMF) ServerNet
cable and single-mode fiber-optic (SMF) ServerNet cable.
Fibre Channel ServerNet adapter (FCSA)
A ServerNet adapter that transmits data between an HP NonStop™ server and Fibre
Channel storage devices. This ServerNet adapter is installed in an IOAM enclosure.
Field-programmable gate array (FPGA)
A programmable integrated circuit that can be customized to perform specific functions.
field-replaceable unit (FRU)
A unit that can be replaced in the field only by qualified personnel trained by HP and
cannot be replaced by customers. A unit is classified as a FRU because of safety hazards
such as weight, size, sharp edges, or electrical potential; contractual agreements with
suppliers; or national or international standards. See also
firmware
Code in memory that is necessary for the power-up initialization and communication with
a host or device. The software for components of the ServerNet architecture (for
example, an adapter) is called firmware. Some firmware for ServerNet components is
downloaded when the system or component is loaded.