CWDM-SFP-1550-120-C CWDM-SFP-1550-IO CWDM-SFP-1570-40-C CWDM-SFP-1570-80-C CWDM-SFP-1570-IO CWDM-SFP-1590-80-C CWDM-SFP-1590-IO CWDM-SFP-1610-IO CWDM-SFP-1G-1310-40-MSA-AT CWDM-SFP-1G-1310-80-MSA-AT