Siemens S7-300 - Connector Pinout; 24 VDC Connector; RJ-45 Jack for Twisted Pair Ethernet; A.1 24 VDC Connector

Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
223
Connector pinout
A
A.1
24 VDC connector
Terminal
Function
L+
+24 V
Ground
M
A.2
RJ-45 jack for twisted pair Ethernet
CPs with a single connection
Pin no.
Signal name
Function
1
TD
TP- / Transmit +
2
TD_N
TP- / Transmit -
3
RD
TP- / Receive +
4
-
-
5
-
-
6
RD_N
TP- / Receive -
7
-
-
8
-
-
The pin assignment of the RJ-45 jack corresponds to the IEEE802.3
twisted pair interface.
Multiport switch of the PROFINET interface
Pin no.
Signal name
Function
1
RD
TP- / Receive +
2
RD_N
TP- / Receive -
3
TD
TP- / Transmit +
4
-
-
5
-
-
6 TD_N TP- / Transmit -
7
-
-
8
-
-