Product Name: Black Box LMC5124C R3 High Density Media Converter System II Layer 2 Module Fiber media converter Fast Ethernet 10Base T 100Base FX 100Base TX RJ 45
Black Box High-Density Media Converter System II Layer 2 Module - Fiber media converter - Fast Ethernet - 10Base-T 100Base-FX 100Base-TX - RJ-45 / SC single-mode - up to 12