Siemens SINUMERIK 840D sl Manual page 56

Connecting
7.6 Use of Ethernet interfaces
Pin assignment
Table 7-9
Pin
1
2
3
4
5
6
7
8
Signal type: B = bidirectional
Table 7-10
Pin
1
2
3
4
5
6
7
8
Signal type: B = bidirectional
Note
The Ethernet interfaces have what is called autocrossing functionality, i.e. when required,
send and receive lines are switched over.
LED displays
For diagnostic purposes, the RJ45 sockets are each equipped with a green and an orange
LED. This allows the following status information about the respective Ethernet port to be
displayed:
Table 7-11
Name
Link
56
Ethernet interfaces X120, X130, X127 in the 10/100 Mbit mode
Signal name Signal type
TXP B
TXN B
RXP B
- -
- -
RXN B
- -
- -
Ethernet interfaces X120, X130, X127 in the 1 Gbit mode
Signal name Signal type
DA+ B
DA- B
DB+ B
DC+ B
DC- B
DB- B
DD+ B
DD- B
LED displays of the Ethernet ports
Color Status
Green Lights up green
Lights up orange
off
Meaning
Transmit data +
Transmit data -
Receive data +
Reserved, do not use
Reserved, do not use
Receive data -
Reserved, do not use
Reserved, do not use
Meaning
Bidirectional pair A+
Bidirectional pair A-
Bidirectional pair B+
Bidirectional pair C+
Bidirectional pair C-
Bidirectional pair B-
Bidirectional pair D+
Bidirectional pair D-
Meaning
Transfer rate 10 or 100 Mbit/s
Transfer rate 1000 Mbit/s
No or faulty connection
Manual, 06/2014, 6FC5397-1EP40-5BA1
NCU 7x0.3 PN, NCU 7x0.3B PN