Siemens SINAMICS S120 - X127 LAN (Ethernet)

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8.20 K90, Control Unit CU320-2 DP
Cabinet Modules NEMA
412 Manual, 04/2014, A5E03586450A
8.20.8
X127 LAN (Ethernet)
Table 8- 25 X127 LAN (Ethernet)
Pin
Designation
Technical specifications
1
TXP
Ethernet transmit data +
2
TXN
Ethernet transmit data -
3
RXP
Ethernet receive data +
4 Reserved, do not use
5
Reserved, do not use
6 RXN Ethernet receive data -
7
Reserved, do not use
8
Reserved, do not use
Connector type: RJ45 socket
Note
Support during commissioning
The X127 LAN interface supports commissioning and diagnostic functions. It must not be
connected for normal operation.
For diagnostic purposes, the X127 LAN interface features a green and a yellow LED. These
LEDs indicate the following status information:
Table 8- 26 LED states for the X127 LAN interface
LED
State
Description
Green
On
10 or 100 Mbit link available
Off
Missing or faulty link
Yellow
On
Sending or receiving
Off
No activity