Operating instructions

Abbreviations
Glossary-3
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
L+
Positive dc current conductor
L–
Negative dc current conductor
LAN
Local Area Network
LED
Light Emitting Diode
LLC
Logical Link Control, layer 2b of the OSI reference model
MAC
Media Access Control
MAU
Medium Attachment Unit
MDI
Medium Dependent Interface
MESH–BN
MESHed Bonding Network]
MIKE
Name of a management interface card for the ASGE star coupler
Mini OTDE
Name of an optical transceiver for Industrial Ethernet
Mini UTDE
Name of an electrical transceiver for Industrial Ethernet
N
Neutral conductor
NEXT
Near End Cross Talk
OLM
Optical Link Module
OSI
Open System Interconnection, abstract model describing communication between
open systems according to ISO 7498