Contents
ILX69-PBS ♦ CompactLogix or MicroLogix Platform
User Manual
PROFIBUS Slave Communication Module
Page 20 of 102
ProSoft Technology, Inc.
April 27, 2016
3.3
Ethernet Interface
The Ethernet cable should contain an RJ45 connector. It should have a twisted pair cable of
category 5 (CAT5) or higher, which consists of 4 twisted cores and has a maximum
transmission rate of 100 MBit/s (CAT5).
3.3.1 Ethernet Pin Assignment at the RJ45 Socket
Note:
The device supports the
Auto Crossover
function. The RX and TX
can be switched. The following figure shows the RJ45 standard pin
assignment.
Pin
Signal
Description
1
TX+
Transmit Data +
2
TX
–
Transmit Data
–
3
RX+
Receive Data +
4
Term 1
Connected to each other and
terminated to PE through RC circuit*
5
Term 1
6
RX
–
Receive Data
–
7
Term 2
Connected to each other and
terminated to PE through RC circuit*
8
Term 2
*Bob Smith Termination
