What is the Cisco ONS-QSFP28-LR4?
The Cisco ONS-QSFP28-LR4 is a QSFP optical transceiver module, listed by the manufacturer as "100GBPS MULTI-RATE QSFP28, LR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Number
Part Overview
Cisco ONS-QSFP28-LR4: a QSFP optical transceiver module (100GBPS MULTI-RATE QSFP28, LR). 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 ONS-QSFP28-LR4 is a QSFP optical transceiver module, listed by the manufacturer as "100GBPS MULTI-RATE QSFP28, LR". 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 ONS-QSFP28-LR4, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue