Note
The Ethernet interfaces have what is called autocrossing functionality, i.e. when required, 
transmit and receive lines are switched over.
Position of the Ethernet interfaces
① X120 P1 (PN/IE-OP)
X130 P1 (PN/IE-NET)
② X127 P1 (PN/IE)
Figure 8-4 Ethernet ports
Cable specication 
Table 8-10 Cable specication for X120, X130, and X127   
Characteristic Version
Connector type RJ45 socket
Cable type Industrial Ethernet cable (as of CAT5)
Max. data transmission rate: 10/100/1000 Mbit/s
Max. cable length 100 m
Connecting
8.7 Use of Ethernet interfaces
NCU 1750
72 Equipment Manual, 01/2022, A5E45627807B AE