What is the AN-SFP10G-ZR-120?
The AN-SFP10G-ZR-120 is a SFP+ optical transceiver, listed by the manufacturer as "10GBASE ZR LC 120KM 1550NM C-TEMP SFP+ TRANSCEIVER AN-SFP10G-ZR-120 APPR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.