Download Siemens SIMATIC NET Operating instructions

Transcript
Abbreviations
OSM
Optical Switch Module
PE
Protective Earth conductor
PELV
Protective extra–low Voltage
PEN
Combined protective conductor and neutral conductor
PLC
Programmable Logic Controller
PP
Polypropylene
PUR
Polyurethane
PVC
Polyvinyl chloride
PVV
Path Variability Value
SELV
Safety extra–low voltage
SNMP
Simple Network Management Protocol
SQE
Signal Quality Error (”heartbeat”), signal for checking the functionality of a
transceiver
S/STP
Screened Shielded Twisted Pair
VDE
Verband Deutscher Elektrotechniker (Association of German Electrical Engineers)
Glossary-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02