HP NC320T manual UTP Cable Specifications, RJ-45 Pinouts and Crossover Function

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Specifications

UTP Cable Specifications

For 1000BASE-T transmission, the cable must be:

•Category 5 UTP or better

•22-26 AWG, 100Ω @ 1MHz

•EIA/TIA 568a or EIA/TIA 568b

Using UTP Category 5 Cable in Gigabit over Copper Installations

For Gigabit over copper installations, Category 5 UTP or better 1000BASE-T cable must comply with the IEEE 802.3ab 1000BASE-T standard. For new installations, Category 5e (enhanced Category 5) or better cable is recommended.

RJ-45 Pinouts and Crossover Function

The Ethernet standard also specifies that each segment implement a crossover function to connect the transmitter of one device to the receiver of a device at the other end, and vice- versa. The crossover function may be implemented internally at the hub or switch, or externally through the twisted-pair media.

C-2	HP NC320T PCI Express Gigabit Server Adapter User Guide

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Contents HP NC320T PCI Express Gigabit Server Adapter User Guide Page Contents Contents Technician Notes About This GuideTelephone Numbers Where to Go for Additional HelpAdapter Overview LED IndicatorsIntroduction Display Description LEDUnshielded Twisted Pair Category 5 Cable Overview Installing the AdapterElectrostatic Discharge Precautions Connecting the Network Cable Installing the Adapter in a ServerModifications Regulatory Compliance NoticesFederal Communications Commissions Notice Avis Canadien Canadian NoticeJapanese Notice Korean Notice European Union NoticeGrounding Methods Electrostatic DischargeSpecification Description SpecificationsNC320T PCI Express Gigabit Server Adapter Specifications RJ-45 Pinouts and Crossover Function UTP Cable SpecificationsPin Function Color Match 10/100 Straight-Through PinoutsPin Function Color/Match 10/100 Crossover PinoutsGigabit over Copper Internal Straight-Through Pinouts Table C-5 Gigabit over Copper Crossover Pinouts Gigabit over Copper External Crossover Pinouts