What is the NEC Y4100B-V02CH?
The NEC Y4100B-V02CH is an optical network terminal (ONT), listed by the manufacturer as "ISC-303 COM CONTROL". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by NEC, the Y4100B-V02CH (ISC-303 COM CONTROL) is an optical network terminal (ONT). 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 Y4100B-V02CH is an optical network terminal (ONT), listed by the manufacturer as "ISC-303 COM CONTROL". 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 Y4100B-V02CH, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue