CM312 Datasheet, PDF (31/56 Pages) List of Unclassifed Manufacturers – Communications utilityModule

10Base-T connector, CN8
Connector CN8 is for UTP (Unshielded Twisted Pair) wiring normally used for 10Base-T
Ethernet. It is wired in parallel with CN10. Don't try to use both CN8 and CN10 at the same time.
The following table gives the pinout of CN8.
Pin
Signal
1
TX+
2
TX-
3
RX+
4
N.C.
5
N.C.
6
RX-
7
N.C.
8
N.C.
Function
Transmit +
Transmit -
Receive +
not connected
not connected
Receive -
not connected
not connected
in/out
out
out
in
in
The figure below shows the pin numbering of CN8 when looking into the connector:
12345678
Figure 4 CN8 RJ-45 Jack Connector
CN8 is a standard female RJ-45 connector. One example of a mating plug is:
• AMP 5-554739-3 (unshielded)
10Base-T connector, CN10
Connector CN10 is for UTP (Unshielded Twisted Pair) wiring normally used for 10Base-T
Ethernet. It is wired in parallel with CN8. Don't try to use both CN8 and CN10 at the same time.
The following table gives the pinout of CN10.
Pin
1
2
3
5
4, 6 - 10
Signal
TX+
RX-
TX-
RX+
N.C.
Function
Transmit +
Receive -
Transmit -
Receive +
not connected
in/out
out
in
out
in
CM312 Quad Serial utilityModule
21
RTD Embedded Technologies, Inc.