What is the Sandstone QFX-QSFP-DACBO-2M-ST?
The Sandstone QFX-QSFP-DACBO-2M-ST is a QSFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 40G QSFP+, 40GBASE-DAC Breakout, 2m COPPER Breakout 4 x SFP+ 10G, DDM, C-Temp, Active". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.