SFP P1 port does not work Lind Down
Hello The SFP port does not work on my Zywall USG Flex 100W I have an Amazon ZyXEL SFP-1000T 1000Mbit / s SFP network transceiver module - network transceiver modules (1000 Mbit / s, SFP, IEEE 802.3z, 100 m, 0 -70 ° C, -40-85 ° C) and is also from Zyxel. On the hardware itself, the SFP P1 port lights up and the "Ethernet" configuration is SFP activated (yellow lamp). but nevertheless it shows me under port configuration that the link is down. even a factory reset was unsuccessful, and changing the name from SFP to WAN2 did not work either. Why is it that the port does not work
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