Siemens SINAMICS S120 Manual page 288

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9.4 G33, CBE20 Communication Board
Interface overview
Figure 9-4
MAC address
The MAC address of the Ethernet interfaces is indicated on the top side of the CBE20. The
label is only visible after the module has been removed.
Note
Note the MAC address
Remove the module and note down the MAC address of the module so that you have it
available for subsequent commissioning. Re-install the module.
X1400 Ethernet interface
Table 9- 3
288
CBE20 Ethernet Communication Board, interface overview
Connector X1400, port 1 - 4
Pin Signal name
1 RX+
2 RX-
3 TX+
4 ---
5 ---
6 TX-
7 ---
8 ---
Screened back- M_EXT
shell
Technical data
Receive data +
Receive data -
Transmit data +
Reserved, do not use
Reserved, do not use
Transmit data -
Reserved, do not use
Reserved, do not use
Shield, permanently connected
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A