Table 7-5 Assignment of PROFINET interface X160 in the 10/100 MBit/s mode
Connector Pin Name Type Remark
1 DA+ B Bidirectional pair A+
2 DA- Bidirectional pair A-
3 DB+ Bidirectional pair B+
4 DC+ Bidirectional pair C+
5 DC- Bidirectional pair C-
6 DB- Bidirectional pair B-
7 DD+ Bidirectional pair D+
8 DD- Bidirectional pair D-
Shield - - On connector housing
- LED green 
(Link)
- Lights up orange: 1000 Mbit/s
Off: No or faulty connection
- LED orange 
(Activity)
- Flashes: Data exchange
Off: No data exchange
B = Bidirectional
Note
The PROFINET interface has what is known as autocrossing functionality, i.e. when required, 
transmit and receive lines are switched over. Thus, no crossover cables are necessary.
Cable specification
For PROFINET, you always require a data transmission rate of 100 Mbit/s (Fast Ethernet) in full 
duplex mode. For data transfer purposes, you can use twisted-pair copper cables (4-wire, 
100Base-T).
Table 7-6 Cable specification for X150 ports 1, 2
Characteristic Version
Connector type RJ45 socket
Cable type Industrial Ethernet cable (as of CAT5)
Max. cable length 100 m
Interface description
7.3 Ethernet
PPU 1740
70 Equipment Manual, 01/2019, A5E47615272B AA