Functional Description
Page 31
3.3.1.3
Gigabit Ethernet X-Coded
Table 12.
Connector types – Ethernet M12
Note: For railway rolling stock installation, the mating connector must be an approved
crimp connector.
Table 13.
Pin assignment – Ethernet (8-pin M12)
Table 14.
Signal mnemonics – Ethernet
Connector
Type
On NL30
8-pin M12 receptacle, X-coded
e.g., Conec SAL - 12X - IKW8
Mating
8-pin M12 plug, X-coded
e.g. Harting Electronics 21 03 881 1830
1000BASE-T
10/100BASE-T
1
BI_DA+
TX+
2
BI_DA-
TX-
3
BI_DB+
RX+
4
BI_DB-
RX-
5
BI_DD+
6
BI_DD-
7
BI_DC-
8
BI_DC+
Signal
Direction
Function
BI_Dx+/-
in/out
Differential pairs of data lines for 1000BASE-T
RX+/-
in
Differential pair of receive data lines for 10/100BASE-T
TX+/-
out
Differential pair of transmit data lines for 10/100BASE-T
2
4
1
3
5
6
7
8
