Rj-45 Connector Pin Assignments; Cabling Requirements - 3Com 3C905-TX User Manual

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RJ-45 Connector Pin Assignments

Figure A-1 shows the RJ-45 connector pin assignments.
Figure A-1 RJ-45 Connector Pin Assignments
The pin assignments are identical for 10BASE-T and
100BASE-TX, using Category 5 UTP cable.

Cabling Requirements

When properly connected to a 10BASE-T network, the
Fast EtherLink PCI adapter operates in 10BASE-T mode and
supports standard 10BASE-T cable topologies and types,
including Category 3, 4, or 5 UTP for 10 Mbps.
When properly connected to a 100BASE-TX network, the
Fast EtherLink PCI adapter operates in 100BASE-TX mode and
supports Category 5 UTP cable only.
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PECIFICATIONS
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T D +
T D –
R D +
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R D –