What is the Calix 100-05674?
The Calix 100-05674 is a SFP optical transceiver module, listed by the manufacturer as "MULTI-PON SFP-DD, 10G/10G, 2.5G/1.25G, Class N2/C+, 1577/1270nm, 1490/1310nm, 20km/60km, I-Temp, OLT". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.