System information

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Eclipse™ 2640 SAN Router Administration and Configuration Manual
Glossary
Enterprise Fabric
Connectivity
Manager application
See EFC Manager application.
Enterprise Fabric
Connectivity
Manager Lite
See EFCM Lite.
Enterprise Systems
Architecture
ESA™. A computer architecture introduced by IBM in 1988 as
ESA/370. The architecture added access registers to improve virtual
memory management and increase storage from 2 gigabyte to 6
terabytes. The architecture was enhanced with the introduction of
ESA/390 in 1990 (D).
Enterprise Systems
Connection
ESCON™. An IBM architecture, technology, and set of products and
services introduced in 1990 that provides a dynamically connected
environment using fiber-optic cables as the data transmission
medium (D).
Enterprise Systems
Connection Director
ESCON™ Director. A device that provides connectivity capability
and control for attaching any two links to each other through the
ESON channel. Specifically, any of the hardware devices provided
for interconnecting IBM-compatible mainframe equipment through
the proprietary ESCON channel connection. IBM’s model numbers
for ESCON directors include the 9031 and 9033.
E_Port See expansion port.
erase To remove electrically or magnetically stored data, leaving the space
where the data was stored unoccupied (D).
error-detect time-out
value
E_D_TOV. The time the switch waits for an expected response before
declaring an error condition.
error message Indication that an error has been detected (D). See also information
message; warning message.
ESA™ See Enterprise Systems Architecture.
ESCON™ See Enterprise Systems Connection.
ESCON™ Director See Enterprise Systems Connection Director.
ESD See electrostatic discharge.