What is the ADTRAN 1442981G8-ST?
The ADTRAN 1442981G8-ST is a XFP optical transceiver module, listed by the manufacturer as "10G DWDM XFP, 10GBASE-ZR, 1554.94 nm, CH28, 80km SMF LC, DDM, I-Temp, WHITE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.