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···