Zyxel VES-2500ST, DSL concentrator (Splitter chassis), 0 - 50 °C, -25 - 70 °C, UL60950-1, CSA60950-1, EN60950 -1, IEC60950-1, ITU-T K.21, 6 (VSC1124-21/23)
Zyxel VES-2500ST, DSL concentrator (Splitter chassis). Keselamatan: UL60950-1, CSA60950-1, EN60950 -1, IEC60950-1, ITU-T K.21. Slot tambah: 6 (VSC1124-21/23)