IBM 86594RY Hardware Maintenance Manual - Page 99
Ethernet connector, controller, Table 3. Ethernet Connector Pin-Number, Assignments
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Page 99 highlights
Ethernet connector The system board in the Netfinity 5000 contains an Ethernet controller. The controller has an external RJ-45 connector on the rear of the server that is used with a category 3, 4, or 5 twisted-pair cable. The connector enables an Ethernet network to attach to the internal transceiver in the server. The 100BASE-TX Fast Ethernet standard requires that the cabling in the network be Category 5 or higher. See "Configuring the Ethernet controller" on page 32 for additional information about the Ethernet controller. Table 3 shows the pin-number assignments for the RJ-45 connector. These assignments apply to both 10BASE-T and 100-BASETX devices. 10BASE-T or 100 BASE-TX UTP Cable 1 23 Pins 6 RJ-45 Modular Plug Connector Table 3. Ethernet Connector Pin-Number Assignments Pin Signal Pin Signal 1 Transmit data+ 5 Reserved 2 Transmit data− 6 Receive data− 3 Receive data+ 7 Reserved 4 Reserved 8 Reserved Netfinity 5000 - Type 8659 91