Siemens Electrical Lean Switch - Manual (Page 16)

Introduction
Industrial Ethernet
16 A5E00152007-03
The Electrical Lean Switches (ELS) allow the cost-effective setup of Ethernet bus or star
structures with switching functionality. The ELS switches are intended for use in a switching
cubicle.
Note
If you use an ELS in a redundant OSM/ESM ring, the redundancy function is not
supported.
Note
The requirements of EN61000-4-5, surge test on power supply lines
are only met if a
Blitzductor VT AD 24V type no. 918 402 is used.
Manufacturer:
DEHN+SÖHNE GmbH+Co.KG
Hans Dehn Str.1
Postfach 1640
D-92306 Neumarkt
Germany