What is the Huawei TNF-CASE-I?
The Huawei TNF-CASE-I is an equipment chassis, listed by the manufacturer as "OPTIX OSN 1800 I OADM CHASSIS". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Huawei, the TNF-CASE-I (OPTIX OSN 1800 I OADM CHASSIS) is an equipment chassis. Circular Telecom sources, tests, and resells surplus and refurbished Huawei equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Huawei TNF-CASE-I is an equipment chassis, listed by the manufacturer as "OPTIX OSN 1800 I OADM CHASSIS". 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 TNF-CASE-I, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue