zte ptn 6200 data communication equipment zxctn 6200
中兴zxctn 6110 多业务分组传输平台中兴 ptn 6110
6150/zxctn6150/ptn 6150/ptn6150 router for zte zxctn 6200/ptn
zte sai ptn 6180 multiple packet transport platform zte ptn ip
oige8 pw2d zte compact ptn zxctn 6120s 6150 zte ptn 6180 6220