What is the Calix 100-04531?
The Calix 100-04531 is a SFP+ optical transceiver, listed by the manufacturer as "XGS-PON SFP+, 10G/10G, 1270/1577nm, Single Fiber Transceiver, I-Temp (RT), ONT". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.