Table 7. Ethernet Connector Pin Assignment; Figure 7. Ethernet Connector - iRZ RU21w User Manual

3.2.3.
Local Area Network Connectors
Local area network connectors are designed to connect LAN Ethernet devices supporting data rate of
10/100 Mbit/s.
Table 7.
Ethernet Connector Pin Assignment
Contact Signal
1
2
3
4
5
6
7
8
* Passive PoE, available only for Port1
8

Figure 7. Ethernet Connector

Direction
Router  PC
TX+
Router  PC
TX-
PC  Router
RX
VCC*
VCC*
PC  Router
RX-
GND*
GND*
1
Purpose
Transmission positive
Transmission negative
Reception positive
Positive supply voltage input/output*
Reception negative
Negative supply voltage input/output*
15