CircularTelecomParts Catalogue
Part Number
Part Overview
Manufactured by Sandstone, the QDD-400G-FR4-ST (Juniper Compatible 400G QSFP-DD, 400GBASE-FR4 PAM4, 1310 nm, 2km SMF LC, DDM, C-Temp, With FEC) is a QSFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Sandstone equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Sandstone QDD-400G-FR4-ST is a QSFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 400G QSFP-DD, 400GBASE-FR4 PAM4, 1310 nm, 2km SMF LC, DDM, C-Temp, With FEC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Sandstone network equipment, including parts such as the QDD-400G-FR4-ST, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue