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Fast Ethernet Ports 3-3
Figure 3-1 shows the cabling of a 10/100BASE-TX
(RJ-45) port.
Figure 3-1 Cabling a 10/100BASE-TX (RJ-45) Port
10/100BASE-TX (RJ-45) Connector Pin Assignments
Table 3-1 provides the pin assignments for the RJ-45
connectors.
Male RJ-45 connector
10/100BASE-TX cable
Port 7
1x
6x
12x
7x
13x
18x
24x
19x
25x
31x
10/100 BASE - TX
Table 3-1 10/100 BASE-TX (RJ-45) Pin Assignments
Pin No. Signal Description
1 RX + Receive +
2 RX – Receive –
3 TX + Transmit +
4 Not used
5 Not used
6 TX – Transmit –
7 Not used
8 Not used