Product Description  This device is 1U there 4U rack card type which provides telephone outputs 16 Equipment electrical part for the whole digital circuits machine reliability···

Product DescriptionThis series of equipment is developed by the company PDH optical fiber transmission for ultra-large scale integrated circuit based on the development of point-to···

Product DescriptionThis device  provides 1-8Channel E1 interface, master optical fiber interface and backup optical fiber interface, 1-4Channel 10M/100M Ethernet interface (Li···

Product DescriptionThis device is the point-to-point optical transmission device developed on the basis of VLSI. The device  provides 1-16Channel E1 interface, 1-4Channel 10M/···

Functional PropertiesØ Based on self -copyright  ICØ Modular wide dynamic optical detectorØ 1Channel PCM digital business phone (optional)Ø E1 interface comply with G.703, ado···