What is the Fujitsu FC9520SF31?
The Fujitsu FC9520SF31 is a network/telecom equipment component, listed by the manufacturer as "FLASH600 STS SW FAB". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

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Part Overview
The Fujitsu FC9520SF31 is a network/telecom equipment component — originally specified as "FLASH600 STS SW FAB" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Fujitsu FC9520SF31 is a network/telecom equipment component, listed by the manufacturer as "FLASH600 STS SW FAB". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Fujitsu network equipment, including parts such as the FC9520SF31, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue