Huawei 2-port 10GE/GE uplink interface card Apply to Huawei MA5683T, MA5680T OLT system Available at 2 versions: H801X2CK, H803X2CK Without optical module equipped by default The H803X2CK board is a 2-port 10GE/GE uplink interface card that provides two 10GE/GE upstream or cascading optical ports. Without 10GE SFP+ module equipped as default, if need equip SFP+ module, please contact with our sales representative.