- PDH multiplexer - 1/2/4/8/16 E1 - 1/2/4 Ethernet - RS485/232, Order Wire - Factory Price, 3 year warranty, ... device for wide spread application and suit for customer Bandwidth: N*64K, 2M, 4M, 8M, 16M, 34M, 100M, 155M, 622M, 1 ... -16E1-nED16*E1+1*Ethernet PDH with optical 1+1 4 / 8 / 16 E1 PDH Multiplexer, Optical Fiber Multiplexer, Fiber Optic ...