What is the Cisco 15454-DS3N-12E?
The Cisco 15454-DS3N-12E is a circuit card / line card, listed by the manufacturer as "DS-3X12 PROTECT CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Cisco 15454-DS3N-12E: a circuit card / line card (DS-3X12 PROTECT CARD). 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 15454-DS3N-12E is a circuit card / line card, listed by the manufacturer as "DS-3X12 PROTECT CARD". 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 15454-DS3N-12E, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue