GL-8
Issue 9 October 1998
363-206-204
GLOSSARY
EQ
Equipped (memory administrative state).
ES
Errored Seconds — A performance monitoring parameter. ES "type A" is a sec-
ond with exactly one error, ES "type B" is a second with more than one and less
than the number of errors in a severely errored second for the given signal. ES by
itself means the sum of the type A and type B ESs.
ESD
Electrostatic Discharge.
ESF
Extended Super Frame (format for DS1 signal.
F
FDDI
Fiber Distribution Data Interface.
FE
Far-End. Any other network element in a subnetwork other than the one the user
is at or working on. Also called remote.
FE ACTY
Far-End Activity — An LED on the user panel.
FEBE
Far-End Block Error — An indication returned to the near-end transmitting node
that an errored block has been detected at the far-end.
FE ID
Far-End Identification — The 7-segment display on the faceplate of the SYSCTL
circuit pack.
FEPROM
Flash EPROM — A technology that combines the nonvolatility of EPROM with the
in-circuit reprogrammability of EEPROM (electrically-erasable PROM).
FERF
Far-End Receive Failure — An indication returned to a transmitting terminal that
the receiving terminal has detected an incoming section failure.
FE SEL
Far-End Select — An LED on the user panel.
FIT
Failures in /10
9
hours of operation.
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