What is the Sandstone 109610519-ST?
The Sandstone 109610519-ST is a SFP optical transceiver module, listed by the manufacturer as "Alcatel Compatible Multi-Rate DWDM SFP, 1000BASE-ZX, OC48-LR2, 100M-2.7Gbps, 1547.72 nm, CH37, 80km SMF LC, DDM, C-Temp, GREEN Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.