Netgear GS748Tv2 GS748Tv3 User Manual - Page 70

Patch Cables, RJ-45 Plug and RJ-45 Connectors, C-4

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Smart Switch Software User Manual GS748T Patch Cables When installing your equipment, replace old patch panel cables that do not meet Category 5e specifications. As pointed out in the NEXT section, this near end piece of cable is critical for successful operation. RJ-45 Plug and RJ-45 Connectors In a Fast Ethernet network, it is important that all 100BASE-T certified Category 5 cabling use RJ45 plugs. The RJ-45 plug accepts 4-pair UTP or shielded twisted-pair (STP) 100-ohm cable and connects into the RJ-45 connector. The RJ-45 connector is used to connect stations, hubs, and switches through UTP cable; it supports 10 Mbps, 100 Mbps, or 1000 Mbps data transmission. Figure C-4 shows an RJ-45 plug and RJ-45 connection with built-in LEDs. Figure C-4 Table C-2 lists the pin assignments for the 10/100 Mbps RJ-45 plug and the RJ-45 connector. Table C-2. 0/100 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments Pin Normal Assignment on Ports 1 to 8 1 Input Receive Data + 2 Input Receive Data - Uplink Assignment on Port 8 Output Transmit Data + Output Transmit Data - 3 Output Transmit Data + Input Receive Data + 6 Output Transmit Data - Input Receive Data - 4, 5, 7, 8 Internal termination, not used for data transmission Table C-2 lists the pin assignments for the 100/1000 Mbps RJ-45 plug and the RJ-45 connector. C-6 Network Cabling v1.0, October 2007

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Smart Switch Software User Manual GS748T
C-6
Network Cabling
v1.0, October 2007
Patch Cables
When installing your equipment, replace old patch panel cables that do not meet Category 5e
specifications. As pointed out in the NEXT section, this near end piece of cable is critical for
successful operation.
RJ-45 Plug and RJ-45 Connectors
In a Fast Ethernet network, it is important that all 100BASE-T certified Category 5 cabling use RJ-
45 plugs. The RJ-45 plug accepts 4-pair UTP or shielded twisted-pair (STP) 100-ohm cable and
connects into the RJ-45 connector. The RJ-45 connector is used to connect stations, hubs, and
switches through UTP cable; it supports 10 Mbps, 100 Mbps, or 1000 Mbps data transmission.
Figure C-4
shows an RJ-45 plug and RJ-45 connection with built-in LEDs.
Figure C-4
Table C-2
lists the pin assignments for the 10/100 Mbps RJ-45 plug and the RJ-45 connector.
Table C-2
lists the pin assignments for the 100/1000 Mbps RJ-45 plug and the RJ-45 connector.
Table C-2. 0/100 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments
Pin
Normal Assignment on Ports 1 to 8
Uplink Assignment on Port 8
1
Input Receive Data +
Output Transmit Data +
2
Input Receive Data –
Output Transmit Data –
3
Output Transmit Data +
Input Receive Data +
6
Output Transmit Data –
Input Receive Data –
4, 5, 7, 8
Internal termination, not used for data transmission