STN6200 STN6200 platform is suitable for CWDM/DWDM / OLP/ RTFS scenario. It supports more than 30 kinds of service cards, such as OA / OEO / SAX / SAH / SOA / OLP / OBA / FEC / RA / OTN / OSC / OMU / DCM, etc. The service cards support hot swap. STN6200-V has compact hardware structure, low power consumption and flexible configuration. It supports 1+1 dual power backup (dual AC220V/ dual DC48V), 1+1 SC board card backup. The chassis has high reliability.