Connector For Industrial Ethernet - Siemens S7-300 Configuration Manual

Connector pinout
A.3 Connector for Industrial Ethernet
Gigabit interface
All four pairs of wires (P0, P1, P2, P3) can be operated with duplex.
A.3

Connector for Industrial Ethernet

Connector pinout - 15-pin D-sub female connector
Pin no.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
The pin assignment corresponds to the IEEE 802.3 AUI interface.
The signals TPETXD / TPETXD_N and TPERXD / TPERXD_N form the ITP interface.
224
Pin no.
1
2
3
4
5
6
7
8
Signal name
MEXT
CLSN
TRMT / TPETXD
Ground
RCV / TPERXD
M 15 V
TPE_SEL
Ground
CLSN_N
TRMT_N / TPEXTXD_N
Ground
RCV_N / TPERXD_N
P15 V
Ground
-
Designation / signal
P0-P TD+ / RD+
P0-N TD- / RD-
P1-P TD+ / RD+
P2-P TD+ / RD+
P2-N TD- / RD-
P1-N TD- / RD-
P3-P TD+ / RD+
P3-N TD- / RD-
Function
External chassis ground, shield
Collision +
Transmit + / TPE Transmit Data +
5 V ground
Receive + / TPE Receive Data +
15 V ground
Switchover AUI/ITP
5 V ground
Collision -
Transmit - / TPE Transmit Data -
5 V ground
Receive - / TPE Receive Data -
+15 V
5 V ground
-
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Function
Transmit + / Receive +
Transmit - / Receive -
Transmit + / Receive +
Transmit + / Receive +
Transmit - / Receive -
Transmit - / Receive -
Transmit + / Receive +
Transmit - / Receive -