FMUX1600, FMUX800 16 or 8x E1/T1 + 4x GbE, Managed Fiber Multiplexer CTC Union Technologies Co. Ltd. Read more ...
FMUX1001, FMUX101 Modularized 16E1/T1 + 4x GbE/FE Managed Fiber Multiplexer CTC Union Technologies Co. Ltd. Read more ...