What is the Sandstone JNP-QSFP-40G-LR4-ST?
The Sandstone JNP-QSFP-40G-LR4-ST is a QSFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 40G QSFP+, 40GBASE-LR4, 1310 nm, 10km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.