Zhone Technologies IMACS-200 - Manual (Page 282)

-8 Glossary
Model No. Running Head
DS1
Digital Signal, Level 1
DSL
Digital Subscriber Line
DSR
Data Set Ready
DSX
Digital Signal Cross-connect
DTE
Data Terminal Equipment
DTR
Data Terminal Ready
DX
Duplex Signaling
E1
Digital 2.048 Mbps line rate, widely used in countries outside the U.S. and Canada.
EFCI
Explicit Forward Congestion Indicator
ELAN
Emulated Local Area Network
EPROM
Electronic Programmable Read-Only Memory, stores firmware on plug-in modules of the
system.
ES