What is the Finisar FTRJ8519P1BNL-H2?
The Finisar FTRJ8519P1BNL-H2 is a SFP optical transceiver module, listed by the manufacturer as "850nm 2.125G 550M SFP optical transceive". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.