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24
Appendix A
C
ABLING
REQUIREMENTS
For a 10Base-T network: Two-pair EIA/TIA Categor y 3 (NEMA stan-
dard) unshielded twisted-pair (UTP) cable or higher, with RJ-45
connectors.
For a 100Base-TX network: Two-pair EIA/TIA Categor y 5
unshielded twisted-pair (UTP) cable, with RJ-45 connectors.
RJ-45
PORT
PIN
ASSIGNMENTS
The illustration below shows the RJ-45 por t pin assignments. Pin
assignments are identical for 10Base-T and 100Base-TX, using
Categor y 5 UTP cable.
Pin 1 = Tr
Pin 2 = Transmit –
Pin 3 = R
Pin 6 = Receive –
a.Merlin100PC Book Page 24 Thursday, April 2, 1998 12:01 AM