McDATA Sphereon 4500 Manuel d'utilisateur télécharger pdf (Page 197)

Glossary

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Glossary

fibre port module

card

Each fiber port module card provides four Fibre Channel connections

through duplex small form factor pluggable (SFP) fiber-optic

transceivers.

field-replaceable unit Assembly removed and replaced in its entirety when any one of its

components fails.

firmware Embedded program code that resides and executes on the switch.

FLASH memory A computer chip with a read-only memory that retains its data when

the power is turned off and that can be electronically erased and

reprogrammed without being removed from the circuit board.

F_Port See fabric port.

frame A variable-length packet of data that is transmitted in frame relay

technology.

FRU See field-replaceable unit.

Fx_Port A configurable port type that restricts a port to operate either as an

F_Port or FL_Port.

gateway A multi-homed host used to route network traffic from one network

to another, and to pass network traffic from one protocol to another.

gateway address A unique string of numbers (in the format xxx.xxx.xxx.xxx) that

identifies a gateway on the network.

GBIC

GigaBit Interface Converter. A removable module that converts an

electrical serial data stream to an optical or amplified electrical serial

data stream. Contains connector for attaching fiber optic cable.

generic port Also known as G_Port. Physical interface on a switch that can

function either as a fabric port (F_Port) or an extension port (E_Port)

depending on the port type to which it connects.

G_Port See generic port.

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McDATA Sphereon 4500 Manuel d'utilisateur Page 197