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RUGGEDCOM RX1512
Installation Guide
Section 3.7.2
M12 Twisted Pair Copper Ports
M12 ports are available on LMs that support 10/100Base-TX and 10/100/1000Base-TX. See the illustrations and
tables below for pin configuration and assignmnt.
Figure 43: 8-Pin A-coded M12
Ethernet Port Pin Configuration
Figure 44: 4-Pin D-coded M12
Ethernet Port Pin Configuration
Section 3.7.3
Gigabit Ethernet 1000Base-TX Cabling Recommendations
The IEEE 802.3ab Gigabit Ethernet standard defines 1000 Mbit/s Ethernet communications over distances of up
to 100 meters using 4 pairs of CAT-5 (or higher) balanced, unshielded twisted-pair cabling. For wiring guidelines,
system designers and integrators should refer to the Telecommunications Industry Association (TIA) TIA/EIA-568-
A wiring standard for minimum cabling performance specifications required for proper Gigabit Ethernet operation.
M12 Twisted Pair Copper Ports
RJ45 Pin
10/100Base-Tx
8
Table: 8-Pin A-coded M12 Ethernet Port Pin Assignment
10/100Base-Tx
Pin
Signal (On 4TX03)
1
NC (terminated
2
NC (terminated
3
NC (terminated
4
5
6
7
NC (terminated
8
Table: 4-Pin D-coded M12 Ethernet Port Pin Assignment
Pin
1
2
3
4
Installation
10/100/1000Base-Tx
NC
D-
10/100/1000Base-
Tx Signal (on CG03)
C+
at GND)
D+
at GND)
D-
at GND)
TX-
A-
RX+
B+
TX+
A+
C-
at GND)
RX-
B-
10/100Base-Tx Signal
TX+
RX+
TX-
RX-
Chapter 3
21
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