What is the Ciena 186-1008-900?
The Ciena 186-1008-900 is a QSFP optical transceiver module, listed by the manufacturer as "6xQSFP 40G 4xQSFP28 100G Firewall". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Ciena 186-1008-900: a QSFP optical transceiver module (6xQSFP 40G 4xQSFP28 100G Firewall). 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 186-1008-900 is a QSFP optical transceiver module, listed by the manufacturer as "6xQSFP 40G 4xQSFP28 100G Firewall". 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 186-1008-900, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue