دليل سلسلة محوّلات H3C S6520X (EI / HI / SI): خط إنتاج محوّلات وصول وتجميع 10GE
Executive takeaways
If you need dense 10G fiber access with 100G uplinks (and room to grow with interface modules), start with S6520X-30HC-EI / S6520X-54HC-EI: they ship with QSFP28 100G uplinks that can break out to 4×25G.
If 40G uplinks are enough today (or you plan to break out ...