What is the Ciena 170-5142-931?
The Ciena 170-5142-931 is a network switch, listed by the manufacturer as "CIENA 5142 24-PORT SWITCH". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Ciena, the 170-5142-931 (CIENA 5142 24-PORT SWITCH) is a network switch. Circular Telecom sources, tests, and resells surplus and refurbished Ciena equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Ciena 170-5142-931 is a network switch, listed by the manufacturer as "CIENA 5142 24-PORT SWITCH". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Ciena network equipment, including parts such as the 170-5142-931, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue