6C-WDM-0210AD – Modul quang 1.25Ghz, 1310nm, hỗ trợ DDM
6C-WDM-0210BD – Modul quang 1.25Ghz, 1550nm, hỗ trợ DDM
6C-SFP-0310D – Modul quang 1.25Ghz, hỗ trợ DDM