What is the Sandstone 03030MJH-ST?
The Sandstone 03030MJH-ST is a XFP optical transceiver module, listed by the manufacturer as "Huawei Compatible 10G DWDM XFP, 10GBASE-ER, OC192-IR2, STM64-S64.2b, 1558.17 nm, CH24, 40km SMF LC, DDM, E-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.