The following shows straight cable and crossover cable connection:The following shows straight cable and crossover cable connection:
The following shows straight cable and crossover cable connection:The following shows straight cable and crossover cable connection:
The following shows straight cable and crossover cable connection:
Rx-
Rx+
Tx-
Tx+
Tx+
Tx-
Rx+
Rx-
1
2
3
6
1
2
3
6
Straight Cable
Uplink(MDI) Port on Switch/Hub
RJ-45 port on Adapter
or
Normal RJ-45(MDI-X) Port
on Switch/Hub
Straight cable for Switch (Uplink MDI port) to Switch/Hub or other
devices connection
B
B
BB
BB
B
--
--
-
22
22
2BBb
Crossover cable for Switch (MDI-X port) to Switch/Hub or other
network devices (MDI-X port) connection
B-1B-1
B-1B-1
B-1
B. Cable Requirements
The following diagram and table show the standard RJ-45 receptacle/connector andThe following diagram and table show the standard RJ-45 receptacle/connector and
The following diagram and table show the standard RJ-45 receptacle/connector andThe following diagram and table show the standard RJ-45 receptacle/connector and
The following diagram and table show the standard RJ-45 receptacle/connector and
their pin assignments for the switch-to-network interface card connection, and thetheir pin assignments for the switch-to-network interface card connection, and the
their pin assignments for the switch-to-network interface card connection, and thetheir pin assignments for the switch-to-network interface card connection, and the
their pin assignments for the switch-to-network interface card connection, and the
straight/crossover cable for the Switch-to-switch/hub/bridge connection.straight/crossover cable for the Switch-to-switch/hub/bridge connection.
straight/crossover cable for the Switch-to-switch/hub/bridge connection.straight/crossover cable for the Switch-to-switch/hub/bridge connection.
straight/crossover cable for the Switch-to-switch/hub/bridge connection.
The standard RJ-45 receptacle/connector
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
Contact Media Direct Interface Signal
1 Tx + (transmit)
2 Tx - (transmit)
3 Rx + (receive)
4 Not used
5 Not used
6 Rx - (receive)
7 Not used
8 Not used
The standard Category 3 cable, RJ-45 pin assignment
RJ-45 Connector pin assignment
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