How can I connect an optical 1000BASE-SX SFP optical transceiver to a microcontroller (MCU) with 100/10BASE-T? When using a media converter like DP83869 both sides of the link must be configured to the same operating speed, i.e. 1000BASE:
"The DP83869HM supports the 1000Base-X Fiber Ethernet protocol as defined in IEEE 802.3 standard. In 1000M Fiber mode, the PHY will use two differential channels for communication. In fiber mode, the speed is not decided through auto-negotiation. Both sides of the link must be configured to the same operating speed."
I can not use another 100BASE-FX Tranceiver, it has to be 1000BASE-SX SFP. Will a switch after the DP83869 do the job of buffering 1000BASE-T into 100BASE-TX when the traffic is not high?