What is the Sandstone 100-01508-ST?
The Sandstone 100-01508-ST is a XFP optical transceiver module, listed by the manufacturer as "Calix Compatible 10G XFP, 10GBASE-LR, OC192-SR1, STM64-I64.1, 1310 nm, 10km SMF LC, DDM, I-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.