MD02A is an optical transponder unit (OTU) board. This board supports access of multiple types of services such as Ethernet, OTN, SAN, and SDH services on the client side and output of OTU4/OTUC2 optical signals on the WDM side. The following lists the types of services received through client-side optical ports: Ethernet services: GE, 10GE LAN, 10GE WAN, 25GE, 40GE, and 100GE OTN services: OTU2, OTU2e, and OTU4 SDH/SONET services: STM-64/OC-192 SAN services: FC100, FC200, FC400, FC800, FICON8G, FC1200, FC1600, and FC3200