What is the Cisco ESR-PRE1?
The Cisco ESR-PRE1 is a network/telecom equipment component, listed by the manufacturer as "PERFORMANCE ROUTING ENGINE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Cisco ESR-PRE1: a network/telecom equipment component (PERFORMANCE ROUTING ENGINE). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Cisco ESR-PRE1 is a network/telecom equipment component, listed by the manufacturer as "PERFORMANCE ROUTING ENGINE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the ESR-PRE1, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue