System information

Glossary
g-15
Glossary
duplex receptacle A fixed or stationary optical fiber component that provides a keyed
attachment method for a duplex connector (D).
dynamic connection A connection between two ports, established or removed by the
directors and that, when active, appears as one continuous link.
The capability that allows connections to be established and removed
at any time.
dynamic random
access memory
DRAM. Random access memory that resides in a cell consisting of a
capacitor and transistor. DRAM data deteriorates (that is, is dynamic)
unless the capacitor is periodically recharged by the controlling
microprocessor. DRAM is slow, but relatively inexpensive (D).
Contrast with
static random access memory.
E
EDI See electronic data interchange.
E_D_TOV See error-detect time-out value.
EE-PROM See electronically erasable programmable read-only memory.
EFC Enterprise Fabric Connectivity. The Fibre Channel protocol
infrastructure made up of switches and directors in an enterprise.
EFC is used to describe products such as EFC Management, EFC
Manager application, or EFC Server.
EFC Audit Log Enterprise Fabric Connectivity Audit Log. Log displayed though the
EFC Manager application that provides a history of user actions
performed at the EFC Server through the EFC Manager application.
This information is useful for system administrators and users.
EFCM Enterprise Fabric Connectivity Management. The management
scheme for McDATA products. This includes the EFC Server, EFC
Manager application, EFC Management Services application, and all
Product Manager applications and their associated services.
EFC Management
Services application
EMS Application; Enterprise Fabric Connectivity Management
Services Application. Software application that provides back-end
product-independent services to the EFC Manager application. EFC