ILX69-PBM ♦ CompactLogix™ or MicroLogix™ Platform
PROFIBUS Master Communication Module
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
3.3.2 Ethernet Connection Data
Medium
Length of cable
Transmission rate
ProSoft Technology, Inc.
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 +
Transmit Data –
2
TX–
3
RX+
Receive Data +
4
Term 1
Connected to each other and
terminated to PE through RC circuit*
5
Term 1
Receive Data –
6
RX–
7
Term 2
Connected to each other and
terminated to PE through RC circuit*
8
Term 2
*Bob Smith Termination
2 x 2 Twisted-pair copper cable, CAT5 (100 MBit/s) or better
Maximum 100 m
10 MBit/s / 100 MBit/s
About the ILX69-PBM
User Manual
Page 19 of 113
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