DWDM-XFP-43.73-IO DWDM-XFP-44.53-IO DWDM-XFP-46.12-IO DWDM-XFP-46.92-IO DWDM-XFP-47.72-IO DWDM-XFP-48.51-IO DWDM-XFP-50.12-IO DWDM-XFP-50.92-IO DWDM-XFP-51.72-IO DWDM-XFP-52.52-IO