What is the Sandstone RDH10272/42-ST?
The Sandstone RDH10272/42-ST is a QSFP optical transceiver module, listed by the manufacturer as "Ericsson Compatible 100G QSFP25, 100GBASE-4WDM-20BX-D, TX1300/RX1280 nm, 20Km SMF LC,DDM, I-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.