What is the Ericsson RDH90155/1R2A?
The Ericsson RDH90155/1R2A is a SFP optical transceiver module, listed by the manufacturer as "1000B-SX SFP 850 NM 550M". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

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Part Overview
The Ericsson RDH90155/1R2A is a SFP optical transceiver module — originally specified as "1000B-SX SFP 850 NM 550M" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Ericsson RDH90155/1R2A is a SFP optical transceiver module, listed by the manufacturer as "1000B-SX SFP 850 NM 550M". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Ericsson network equipment, including parts such as the RDH90155/1R2A, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue