华为1800,华为1800v光端机

huawei optix osn 1800 osn1800_ii sap*3
huawei osn 1800
huawei optix osn 1800 high-availability switching platforms op
huawei osn1800 ii_3
华为(huawei)optix osn1800v 光传输 光端机设备 低配