What is the Dell 210-ADUY?
The Dell 210-ADUY is a QSFP optical transceiver module, listed by the manufacturer as "Dell Networking S4048-ON, 48x 10GbE SFP+ and 6x 40GbE QSFP+ ports, IO to PSU air, 1x AC PSUs, DNOS9". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.