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Functional Description CP-RIO3-04S

Page 2 - 4 ID 1036-1669, Rev. 1.0

2.1.2 Gigabit Ethernet Interfaces

The CP-RIO3-04S provides one dual Gigabit Ethernet

connector J10A/B realized as two RJ-45 connectors.

The interfaces provide automatic detection and

switching between 10Base-T, 100Base-TX and

1000Base-T data transmission (Auto-Negotiation).

Auto-wire switching for crossed cables is also sup-

ported (Auto MDI-X).

Table 2-2: Pinout of J10A/B Based on the Implementation

MDI / STANDARD ETHERNET CABLE

MDI-X / CROSSED ETHERNET CABLE

10BASE-T 100BASE-TX 1000BASE-T 10BASE-T 100BASE-TX 1000BASE-T

I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL

O TX+ O TX+ I/O BI_DA+ 1 I RX+ I RX+ I/O BI_DB+

O TX- O TX- I/O BI_DA- 2 I RX- I RX- I/O BI_DB-

I RX+ I RX+ I/O BI_DB+ 3 O TX+ O TX+ I/O BI_DA+

----I/OBI_DC+4----I/OBI_DD+

----I/OBI_DC-5----I/OBI_DD-

I RX- I RX- I/O BI_DB- 6 O TX- O TX- I/O BI_DA-

----I/OBI_DD+7----I/OBI_DC+

----I/OBI_DD-8----I/OBI_DC-

Note ...

The Ethernet transmission can operate effectively with structured cable that

meets CAT5 cable or higher specifications.

J10B

J10A

Figure 2-2: Gigabit Ethernet

Connector J10A/B

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