Appendix A
Network Connection
Switch's RJ-45 Pin Assignments
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
MDI
Contact
Media
Dependant
Interface
1
Tx + (transmit)
2
Tx - (transmit)
3
Rx + (receive)
4, 5
Not used
6
Rx - (receive)
7, 8
Not used
RJ-45 Connector pin assignment
MC-4TX1FXSM-2Km/15Km MC-4TX2FX User Manual
firealarmresources.com
MDI-X
Media
Dependant
Interface -Cross
Rx + (receive)
Rx - (receive)
Tx + (transmit)
Tx - (transmit)
1 2 3 4 5
6 7 8
8 7 6 5 4
3 2 1
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