D-Link DEM 211 - SFP (mini-GBIC) transceiver module

100Mb LAN - 100Base-FX - LC multi-mode - up to 2 km - 1310 nm - for DES 1210; DGS 1210, 3100; Nuclias Cloud-Managed DBS-2000-28, 2000-52; xStack DES-3552