Zyxel IES-2000ST 4U IP DSLAM with DC Power, ITU-T K.20, Appendix C; CSA 60950; EN60950; IEC60950; UL60950, 1 x Telco-50
Zyxel IES-2000ST 4U IP DSLAM with DC Power. 安全: ITU-T K.20, Appendix C; CSA 60950; EN60950; IEC60950; UL60950. 输入输出端口: 1 x Telco-50