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Cable and Adapter Specifications - Four Twisted-Pair Cable Pinouts for 10/100 Ports
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Figure B-12 and Figure B-13 show the schematics of four twisted-pair cables for 10/100 ports.

Figure B-12 - Four Twisted-Pair Straight-Through Cable Schematic for 10/100 Ports

Figure B-13 - Four Twisted-Pair Crossover Cable Schematic for 10/100 Ports