IFS MC251-4P/1S and NS2051-4P/1T User Manual 21
When connecting to other Ethernet equipment such as a
Router, Bridge, Switch, or Hub, please refer to that device’s
Technical Manual.
RJ45 Pin Assignments
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
Contact
MDI
Media Dependant
Interface
MDI-X
Media Dependant
Interface -Cross
1
Tx + (transmit)
Rx + (receive)
2
Tx - (transmit)
Rx - (receive)
3
Rx + (receive)
Tx + (transmit)
4, 5
Not used
6
Rx - (receive)
Tx - (transmit)
7, 8
Not used
RJ45 Cable Drawing
The following figure shows the pin allocation and color of a
straight cable, and connection of a crossover cable.
