20
A.3 10/100Mbps, 10/100Base-TX
When connecting your PoE Ethernet Switch to another Fast Ethernet switch, a
bridge or a hub and a straight or crossover cable are necessary. Each port of the
Switch supports auto-MDI/MDI-X detection. That means you can directly connect
the Switch to any Ethernet devices without making a crossover cable. The following
table and diagram show the standard RJ-45 receptacle/ connector and their pin
assignments:
RJ-45 Connector Pin Assignment
PIN NO
MDI
Media Dependent
Interface
MDI-X
Media Dependent
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
The standard cable, RJ-45 pin assignment
The standard RJ-45 receptacle/connector
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