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PPENDIX
A: S
PECIFICATIONS
RJ-45 Connector Pin Assignments
Figure A-1 shows the RJ-45 connector pin assignments.
Figure A-1
RJ-45 Connector Pin Assignments
When Category 5 UTP cable is used, the pin assignments are
identical for 10BASE-T and 100BASE-TX.
Cabling Requirements
When properly connected to a 10BASE-T network, the
Fast EtherLink EISA 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 EISA adapter operates in 100BASE-TX mode
and supports Category 5 UTP cable only.
In either case, the cable, quality, distance, and connectors must
comply with the EIA/TIA 568 “Commercial Building Wiring
Standard” and the Technical Services Bulletin TSB38 standards.
The maximum UTP cable distance is 100 meters at either
speed.
R D – ( 6 )
R D + ( 3 )
T D – ( 2 )
T D + ( 1 )
8
7
6
5
4
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3
2
1
