Siemens SINAMICS S120 Manual page 334

Options
9.5 G33, CBE20 Communication Board
Figure 9-5
X1400 Ethernet interface
Table 9- 3
Connector
Connector type: RJ45 socket
332
Removing the CBE20 from the option slot on the Control Unit
Connector X1400, port 1 - 4
Pin Signal name
1 RX+
2 RX-
3 TX+
4 Reserved, do not use
5 Reserved, do not use
6 TX-
7 Reserved, do not use
8 Reserved, do not use
Screened M_EXT
backshell
Technical data
Receive data +
Receive data -
Transmit data +
Transmit data -
Shield, permanently connected
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A