What is the 10Gtek A7S2-33-1GX1GT-SC02(BT)?
The 10Gtek A7S2-33-1GX1GT-SC02(BT) is a signal/power converter, listed by the manufacturer as "Gigabit Multimode Ethernet Fiber Media Converter, Built-In Module Up to 2KM, 10/100/1000M RJ45 to 1000M Dual SC Fiber". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.