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B-6 TCP/IP Ethernet Communications for the Series 90™ PLC User's Manual
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May 2002 GFK-1541B
B
10Base-T Port
The Series 90-30 CPU364 Embedded Ethernet Interface, the IC693CMM321-FG and later
versions, and the Series 90-70 Ethernet Interface (Type 2) are equipped with a 10Base-T port for
direct connection to a 10Base-T (twisted pair) network without addition of an external
transceiver. The 10Base-T port on the Ethernet Interface is connected to an external 10Base-T
hub or repeater by a twisted pair cable.
Your 10Base-T twisted pair cables must meet the applicable IEEE 802 standards.
This section provides the information you need to specify the 10Base-T twisted pair cables,
including 10Base-T port pinouts and cable diagrams.
10Base T Port Pinouts
The 10Base-T port is located on the front of the Ethernet Interface. This port is an 8-pin RJ-45
“modular phone jack” connector. It is used to connect the Ethernet Interface to a 10Base-T hub
or repeater.
Pin Number Signal Description
1 TD+ Transmit Data +
2 TD– Transmit Data –
3 RD+ Receive Data +
4 NC No connection
5 NC No connection
6 RD– Receive Data –
7 NC No connection
8 NC No connection
Note
Pinouts are provided for troubleshooting purposes only. 10Base-T cables are
readily available from commercial distributors. GE Fanuc recommends
purchasing rather than making 10Base-T cables.