What is the NEC X7135A?
The NEC X7135A is a network/telecom equipment component, listed by the manufacturer as "RC-28D LS DS1 UN -48V". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The NEC X7135A is a network/telecom equipment component — originally specified as "RC-28D LS DS1 UN -48V" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The NEC X7135A is a network/telecom equipment component, listed by the manufacturer as "RC-28D LS DS1 UN -48V". 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 X7135A, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue