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Crossover cables are designed for connecting two computers together without a switch (or linking switches together)Specification 10 Meter Blue cable with Black boots UTP (Unshielded Twisted Pair) Cat 5e Moulded 26 AWGX4P ETL VERIFIED ISO/IEC 11801 AND TIA/EIA 568B.2 E213738 CM (UL) C(UL)