What is the Sandstone SFP-GE10KT15R13-ST?
The Sandstone SFP-GE10KT15R13-ST is a SFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 1G SFP, 1000BASE-BX-D, TX1550/RX1310 nm, 10km SMF LC, DDM, C-Temp, YELLOW Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.