What is the Sandstone JNP-QSFP-4X10GE-LR?
The Sandstone JNP-QSFP-4X10GE-LR is a QSFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 40G QSFP +, 40GBASE-PSM4-IR4, 1310 nm, 10km SMF MPO12, DDM, C-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.