CircularTelecomParts Catalogue
Part Number
Part Overview
Cisco QDD-400G-LR4-S: a QSFP optical transceiver module (400G QSFP-DD Transceiver,400GBASE-LR4,SMF Duplex LC,10km). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Cisco QDD-400G-LR4-S is a QSFP optical transceiver module, listed by the manufacturer as "400G QSFP-DD Transceiver,400GBASE-LR4,SMF Duplex LC,10km". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the QDD-400G-LR4-S, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue