Date Code 20020501 SEL-2701 Ethernet Processor Instruction Manual
Glossary
EPRI
Electric Power Research Institute
Ethernet
Physical layer of specification for networking contained in IEEE 802.3.
FTP
File Transfer Protocol. TCP/IP application layer services for exchanging files
between nodes on a TCP/IP network.
GOMSFE
Generic Object Model for Substation and Feeder Equipment. Presentation
layer for UCA2 used for IED communication.
GOOSE
Generic Object Oriented Substation Event. UCA2 peer-to-peer broadcast mes-
saging for protection.
Host
The device into which the SEL-2701 has been installed.
ICCP
Inter Control Center Protocol. Part of EPRI’s UCA protocol suite.
IED
Intelligent Electronic Device. Usually a protective relay or other smart substa-
tion monitoring or control device.
ISO
International Standards Organization.
LAN
Local Area Network
LED
Light Emitting Diode.
MAC
Media Access Control used in Ethernet.
Node
A device connected to the network.
OSI
Open System Interface. The seven-layer protocol stack developed by ISO and
used in UCA2.
OSI Model
Name of generic seven-layer protocol stack model taken from ISO’s OSI stack
and used to describe modern networking concepts and stacks.
RAM
Random Access Memory.
SEL
Schweitzer Engineering Laboratories.
TCP/IP
Transport Control Protocol/Internet Protocol. The protocol stack commonly
used for Ethernet and the Internet. TCP/IP maintains and manages connec-
tions between devices on a network transparently to the application and pre-
sentation layers above.
Teln et
TCP/IP application layer protocol for terminal session connections between
devices on a TCP/IP network.
UCA
Utility Communications Architecture. Suite of utility protocols developed by
EPRI including ICCP/TASE.2 and UCA2 for Field Devices.
UCA2
UCA protocol suite version 2.0 developed by EPRI including GOMSFE and
GOOSE.
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