Siemens SIMATIC NET S7-300 Manual page 49

S Industrial Twisted Pair attachment, for example, using an OSM
CP
CP
ITP installation cable
Figure 2-4
If the Industrial Ethernet twisted pair installation cable is used as shown in
Figure 2-4, the CP automatically detects the medium and switches over to
twisted pair.
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
2 Characteristics of the Ethernet CPs
CP
e.g. Optical Switch
Module (OSM)
CP
A -49