HP NC150T PCI 4-port Gigabit Combo Switch Adapter - Manual (Page 17)

Specifications
C-2 HP NC150T PCI 4-port Gigabit Combo Switch Adapter User Guide
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UTP Cable Specifications
For 1000BASE-T transmission, the cable must be:
Category 5 UTP or better
22-26 AWG, 100
Ω
@ 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.