What is the NEC OD-8511-DSB?
The NEC OD-8511-DSB is a network/telecom equipment component, listed by the manufacturer as "OPTICAL ATTENUATOR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Number
Part Overview
Manufactured by NEC, the OD-8511-DSB (OPTICAL ATTENUATOR) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished NEC equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The NEC OD-8511-DSB is a network/telecom equipment component, listed by the manufacturer as "OPTICAL ATTENUATOR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished NEC network equipment, including parts such as the OD-8511-DSB, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue