What is the Ciena NTK592NR?
The Ciena NTK592NR is a SFP optical transceiver module, listed by the manufacturer as "TRANSCEIVER,DWDM,DWDM-OSC,12-44DB,1516.9NM,3.3V,0TO70C,SFP,20PINS,LC,ENHANCED MSA". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
