What is the Ciena 186-1603-900?
The Ciena 186-1603-900 is a QSFP optical transceiver module, listed by the manufacturer as "WAVESERVER AI 1X400G 35/56GBAUD EDFA C-BAND 4XQSFP28 MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
