Siemens SIMATIC NET S7-300 Manual page 51

S Twisted pair attachment using RJ-45 jack
In areas with little EMI such as in offices and wiring closets, the CP can be
attached to Ethernet using twisted pair and the RJ-45 jack.
CP
CP
Figure 2-6
2.3.2 Optical Ind. Ethernet with AUI Attachment
The CP can also be attached to Industrial Ethernet using an optical transceiver
and the AUI port.
Figure 2-7
*)
The AUI attachment does not exist on all CPs for S7-300/S7-400; Please
note the information in the manual.
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
2 Characteristics of the Ethernet CPs
e.g. Optical Switch
Module (OSM)
CP
Drop cable 727-1
CP
CP
*)
Optical
module
Star coupler
FO cable
A -51