Overview
     The MDS-155S series is a family of ultra-compact, next-generation SDH micro multi-service provisioning platforms (μMSPP). They are the platforms of choice for fast and profitable delivery of TDM and IP-centric data services over SDH in cost-sensitive applications requiring maximum performance, and where space is at a premium and multiple services a necessity. 

Features
　◆ Ethernet service supporting GFP encapsulation, VC12 virtual concatenation
　◆ Inter-working with popular SDH/MSPP products of various vendors
　◆ The MDS-155S is a modular system with two expansion slots
　◆ Easy commissioning and maintenance
　◆ High integration, compact design