D-Link DEM 310GT - SFP (mini-GBIC) transceiver module

1GbE - 1000Base-LX - LC - up to 10 km - 1310 nm - for DGS 12XX; DWS 3024; DXS 1100, 1210, 3400, 3600; Nuclias Cloud-Managed DBS-2000-28, 2000-52