Siemens S7-400 - Preface

CP 443-1 Advanced
Equipment Manual, 03/2023, C79000-G8976-C256-07
3
Preface
Legend:
1
X = placeholder for hardware product version
2
CPLUG (at rear)
3
Firmware version
4
LEDs
5 Gigabit interface: 1 x 8-pin RJ-45 jack
Security function: The padlock symbol identifies the interface to the external subnet.
6 PROFINET interface: 4 x 8-pin RJ-45 jack
Security function: Interface to the internal, protected subnet
7
Printed text of MAC addresses of the interface
Figure 1 CP 443-1 Advanced