Layer 1 – Physical Posted by geekbacon | Oct 31, 2013 | Networking | 0 | Fiber Multimode Fiber Singlemode Fiber Fiber Connectors SC ST LC Fiber Interfaces GBIC SFP Fiber transmitter/receivers SX LX ZX WDM Copper Ethernet Panels – 568A Straight-through – 568B Modern switches/cards don’t require crossover cables.
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