Siemens SIMATIC NET S7-300 User Manual

A-285
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
A Pinout
A.1 24 V DC Connector
Terminal Function
L+ +24 V
M
Ground
A.2 RJ-45 Jack for Twisted Pair Ethernet
CPs with One Connector
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 pinning of the RJ-45 jack corresponds to the IEEE802.3 twisted pair interface.
CPs with Multiport Switch
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 - -

Siemens SIMATIC NET S7-300 Specifications

General

Brand	Siemens
Model	SIMATIC NET S7-300
Category	Industrial Equipment
Language	English