What is the Ericsson RDH90120/81128?
The Ericsson RDH90120/81128 is a SFP optical transceiver module, listed by the manufacturer as "1490 l-1/4/16.2c GE CWDM SFP 80km 0/+70c". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
