Netgear FE108 Installation Guide - Page 33

Appendix B RJ-45 Connector Information

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Appendix B RJ-45 Connector Information This appendix provides information about the RJ-45 connectors used for the Model FE104 and Model FE108 Fast Ethernet Hubs. The IEC 603-7 8-pin modular connector, commonly called an RJ-45 connector, is used to connect stations, hubs, and switches through unshielded twisted pair (UTP) cable and supports 100 Mbps data transmission. The RJ-45 connector accepts 2- or 4-pair Category 5 UTP cable. In a Fast Ethernet network, it is important that all 100BASE-T certified Category 5 cabling use Category 5 RJ-45 connectors. It is common practice to use Category 5 UTP cable with Category 3 connectors. However, 100 Mbps operation is compromised when the mixed configuration is used. Figure B-1 illustrates the RJ-45 connector used for port connections on hubs. Table B-1 provides the pinout information for the normal (MDI-X) RJ-45 connector and for the uplink (MDI) port (Port 4 on the Model FE104 and Port 8 on the Model FE108) RJ-45 connector. 1 8 7177 Figure B-1. RJ-45 connector RJ-45 Connector Information B-1

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RJ-45 Connector Information
B-1
Appendix B
RJ-45 Connector Information
This appendix provides information about the RJ-45 connectors used for the Model FE104 and
Model FE108 Fast Ethernet Hubs.
The IEC 603-7 8-pin modular connector, commonly called an RJ-45 connector, is used to connect
stations, hubs, and switches through unshielded twisted pair (UTP) cable and supports 100 Mbps
data transmission. The RJ-45 connector accepts 2- or 4-pair Category 5 UTP cable.
In a Fast Ethernet network, it is important that all 100BASE-T certified Category 5 cabling use
Category 5 RJ-45 connectors. It is common practice to use Category 5 UTP cable with Category 3
connectors. However, 100 Mbps operation is compromised when the mixed configuration is used.
Figure B-1 illustrates the RJ-45 connector used for port connections on hubs. Table B-1 provides
the pinout information for the normal (MDI-X) RJ-45 connector and for the uplink (MDI) port
(Port 4 on the Model FE104 and Port 8 on the Model FE108) RJ-45 connector.
Figure B-1.
RJ-45 connector
1
8
7177