What is the Tellabs GMX?
The Tellabs GMX is a network/telecom equipment component, listed by the manufacturer as "MARTISDXX STM-1 INTFC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Tellabs, the GMX (MARTISDXX STM-1 INTFC) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Tellabs equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Tellabs GMX is a network/telecom equipment component, listed by the manufacturer as "MARTISDXX STM-1 INTFC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Tellabs network equipment, including parts such as the GMX, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue