What is the Ciena 500-4220-203?
The Ciena 500-4220-203 is a network/telecom equipment component, listed by the manufacturer as "POWER DISTRIBUTION UN". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Number
Part Overview
Ciena 500-4220-203: a network/telecom equipment component (POWER DISTRIBUTION UN). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Ciena 500-4220-203 is a network/telecom equipment component, listed by the manufacturer as "POWER DISTRIBUTION UN". 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 500-4220-203, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue