What is the NEC R2942AF?
The NEC R2942AF is a network/telecom equipment component, listed by the manufacturer as "FOTS-DETR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The NEC R2942AF is a network/telecom equipment component — originally specified as "FOTS-DETR" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The NEC R2942AF is a network/telecom equipment component, listed by the manufacturer as "FOTS-DETR". 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 R2942AF, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue