What is the Nokia S42025-L5135-A1?
The Nokia S42025-L5135-A1 is an equipment module, listed by the manufacturer as "STM-1 MODULE, (S1.1 15KM)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Nokia S42025-L5135-A1 is an equipment module — originally specified as "STM-1 MODULE, (S1.1 15KM)" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Nokia S42025-L5135-A1 is an equipment module, listed by the manufacturer as "STM-1 MODULE, (S1.1 15KM)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Nokia network equipment, including parts such as the S42025-L5135-A1, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue