What is the Fs Com UMC-1SC1T-SM?
The Fs Com UMC-1SC1T-SM is a signal/power converter, listed by the manufacturer as "Unmanaged 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X Single Mode SC 1310nm 10km Gigabit Ethernet Media Converter". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.