What is the Sandstone FTLC1151RDPL-ST?
The Sandstone FTLC1151RDPL-ST is a QSFP optical transceiver module, listed by the manufacturer as "FINISAR COMPATIBLE QSFP28 100GBASE-LR4 10KM SFP TRANSCEIVER MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.