Technical specifications
7.2 Pinout of the Ethernet interface
CP 443-1 OPC UA
128 Operating Instructions, 01/2017, C79000-G8976-C427-02
Mounting in an S7-400 rack
* For details, refer to the catalog IK PI Cabling technology.
You will find the product functions in the section Application and functions (Page 11).
For further data, refer to section Performance data (Page 15)
In addition to this, all the information in the S7400/M7400 reference manual "Module Data"
/3/ (Page 134) in the section "General Technical Specifications" on the topics listed below
applies to the CP
● Electromagnetic compatibility
● Transportation/storage conditions
● Mechanical and climatic environmental conditions
● Information on insulation checks, protection class and degree of protection
Pinout of the Ethernet interface
Pinout of the Ethernet interface
The table below shows the pin assignment of the Ethernet interface. The pin assignment
corresponds to the Ethernet standard 802.3ab version 1000BASE-T.
All four pairs of wires (DA, DB, DC, DD) can be operated with duplex (BI).
Table 7- 2 Pin assignment of the Ethernet interface
DA: Transmit + / Receive +
DA: Transmit - / Receive -
DB: Transmit + / Receive +
DC: Transmit + / Receive +
DC: Transmit - / Receive -
DB: Transmit - / Receive -
DD: Transmit + / Receive +
DD: Transmit - / Receive -