What is the Gigalight GP-314G-L1CD?
The Gigalight GP-314G-L1CD is a SFP optical transceiver module, listed by the manufacturer as "4.25GBPS SFP OPTICAL TRANCEIVER 10KM REACH / 21CFR-J/ CLSS 1". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.