What is the Sandstone ZXS-Q8L4ZZZZ-00-ST?
The Sandstone ZXS-Q8L4ZZZZ-00-ST is a QSFP optical transceiver module, listed by the manufacturer as "Coriant Compatible 100G QSFP28, 100GBASE-LR4/D, 1310 nm, 10km SMF LC, DDM, C-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.