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Power over Ethernet plus Isolation requirements - …
Power over Ethernet plus Isolation requirementsDavid History 10 BASE2 and 10 BASE5 10 BASE-T DTE Power via MDI Analyses of Differences in DTE Power via MDI RecommendationIEEE Electrical Isolation . The MAU must provide Isolation between the AUI cable and the coaxial trunk cable. The Isolation impedance measured between each conductor (including shield) of the AUI cable and either the centre conductor or shield of the coaxial cable shall be greater than 250 KOhm at 60 Hz and not greater than 15 Ohm between 3 MHz and 30 MHz. The breakdown of the Isolation means provided shall be 250 V ac, Std 10 BASE-T Isolation requirements . The MAU shall provide Isolation between the DTE Physical Layer circuits including frame ground and all MDI leads including those not used by 10 BASE-T.
Power over Ethernet plus Isolation requirements David Law 3Com David_Law@3Com.com
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