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Switches with high port counts
Posted: 29 Jul 2024, 11:46
by Webinar_Question
How is it possible to build switches with high port counts. So far I see 1- or 2-ports PHYs. Switch-IC with 10Mbit/s support are very rar. Do you have any advice on how to realise APl switches with high port numbers?
Re: Switches with high port counts
Posted: 29 Jul 2024, 12:01
by VoGo
Webinar_Question wrote: ↑29 Jul 2024, 11:46
How is it possible to build switches with high port counts. So far I see 1- or 2-ports PHYs. Switch-IC with 10Mbit/s support are very rar. Do you have any advice on how to realise APl switches with high port numbers?
For a high port count switch a switch IC with RMII or RGMII ports is required, as there are no switches with integrated PHYs available of today. For high port counts, a multi-switch chip design is a good choice as it can minimize the required isolation overhead and low port count switches are more common without integrated std Ethernet PHYs.