//4[subgate] SG2000_SG2000G_Series_v1.5.5_Release_Note(jp).pdf 2017-09-27 //3[subgate] SG2000_SG2000G Series 1 5 3 Release Note_(jp).pdf 2017-09-27 //2[VNM] HDNJP_VNM_Release_v094230.pdf 2017-09-27 //1[VNM] HDNJP_VNM_Release_v094219.pdf 2017-09-27