
An expansion of the FocalPoint Ethernet switch device family offers Ethernet switch chips targeted at the coming wave of multi-port optical line termination (OLT) cards for Gigabit Passive Optical Network (GPON) equipment. With the success of GPON network implementations, equipment manufacturers are migrating from single-port, first-generation OLT cards to multi-port cards that provide higher user density and lower cost. To accommodate this transition and in order to handle the increased density without sacrificing performance, switching must be embedded into the line-card. The FocalPoint FM2103 and FM2104 switches both offer full line-rate performance. The FM2103 is configured for four-port OLT cards with four 2.5-GB Ethernet ports for access connections and two 10-GB Ethernet XAUI ports for backbone links. The FM2104 is designed for eight-port OLT boards and features eight 2.5-GB Ethernet ports with two 10-GB Ethernet XAUI ports.
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