What is the ADTRAN 1442971G3?
The ADTRAN 1442971G3 is a XFP optical transceiver module, listed by the manufacturer as "10G CWDM XFP, 10GBASE-ZR, OC192-LR2, STM64-L64.2, 1510 nm, 80km SMF LC, DDM, -40C to 70C". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.