Siemens SIMATIC S7-400H System Manual page 72

Assembly of a CPU 41x–H
5.9 PROFINET interface (X5)
Connectors
Always use RJ45 connectors to hook up devices to the PROFINET interface.
Properties of the PROFINET interface
Protocols and communication functions
PROFINET IO
In accordance with IEC61784-2 , Conformance Class A and BC
Open block communication over



S7 communication
PG functions
Port statistics of PN IO devices (SNMP)
Detection of the network topology (LLDP)
Media redundancy (MRP)
Time synchronization using the NTP method as a client, or the SIMATIC method
For more information on the properties of the PROFINET interface, refer to the technical
specifications of the respective CPU. In chapter Technical data (Page 383).
Connection
Version
Media
Transmission rate
72
TCP
UDP
ISO-on-TCP
2 x RJ45
Switch with 2 ports
Twisted pair Cat5
10/100 Mbps
Autosensing
Autocrossing
Autonegotiation
System Manual, 03/2012, A5E00267695-11
S7-400H