Connections, Basic cpu module with 2 ethernet rj 45 interfaces – BECKHOFF CX1020 User Manual
Page 19
Product
overview
Embedded PC
17
Connections
The basic CPU module is available with different hardware and software options. It is supplied from the power supply
unit, so that only the connections are described here.
Basic CPU module with 2 Ethernet RJ 45 interfaces:
RJ 45 interface (socket):
Assignment of the RJ45 interface, Port 1:
PIN
Signal
Description
1
TD +
Transmit +
2
TD -
Transmit -
3
RD +
Receive +
4
connected
not used
5
6
RD -
Receive -
7
connected
not used
8
TD & RD are exchanged at the hubs or between two PCs.
Assignment of the RJ45 interface, Port 2:
PIN
Signal
Description
1
TD +
Transmit +
2
TD -
Transmit -
3
RD +
Receive +
4
connected
not used
5
6
RD -
Receive -
7
connected
not used
8
TD & RD are exchanged at the hubs or between two PCs.