What is the Huawei 03020GNN?
The Huawei 03020GNN is a circuit board, listed by the manufacturer as "4xSTM-64 Optical Interface Board Spare Part (SSND4SLQ6401)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Huawei 03020GNN: a circuit board (4xSTM-64 Optical Interface Board Spare Part (SSND4SLQ6401)). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Huawei 03020GNN is a circuit board, listed by the manufacturer as "4xSTM-64 Optical Interface Board Spare Part (SSND4SLQ6401)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Huawei network equipment, including parts such as the 03020GNN, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue