Siemens NCU 7 0.2 Series Manual page 57

MAC addresses
A type plate for the MAC addresses of the Ethernet interfaces is attached to the front panel
of the control unit:
Figure 7-6
You can see this type-plate when you open the front cover of a control unit without
PROFINET.
Cable specification
Table 7- 11
Characteristic
Connector type
Cable type
Max. cable length
Note
A crossover cable is required for the direct link between the control unit and the TCU.
NCU 7x0.2
Manual, 02/2011, 6FC5397-0AP20-0BA0
MAC addresses of Ethernet interfaces X120, X130, X127
Cable specification for X120, X130, and X127
7.6 Use of Ethernet interfaces
Version
RJ-45 jack
Industrial Ethernet cable (CAT5)
100 m
Connecting
57