IDM MSTP155-24 is a newly-developed optical fiber transmission equipment by RDT company based on SDH technology. It manages to satisfy not only users needs for , and other fiber optical transmission/access services, but also users needs for and more reliable . It also provides succinct and faultless which would carry out equipment configurating, ,data collecting and real-time monitoring on network performance. This item also features all of its of industrial grade, comprehensive EMC and interface protection design.