华为PTN905,华为ptn910

huawei ptn 910-f multi-service packet transport platform
huawei optix ptn 905b chassis packet transport network multi
huawei telecom ptn910 ptn950 ptn960
huawei optix olt ptn 910 optix ptn 910-f new original
华为ptn970华为tpkd00ex2s00optikptn970