https://www.perle.com/SFP-Converter
赞助SFP Media Converters that support SFP transceivers with data rates up to 10Gbps. Use SFP's to link Copper to Fiber, Single Mode to Multimode, or extend Multimode networks.
High MTBF Rates · Compatible with Cisco · Managed or Unmanaged
Types: Dual fiber / single fiber, SFP, SC / ST / LC connections