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IDM MSTP155-24 SDH multiservice transmission platform

IDM MSTP155

IDM MSTP155

SDH·📅UpdatedMay 12, 2026·✍️管理员

The SDH equipment is a new generation product based on SDH/MSTP technology launched by our company in response to market demand. It can meet the needs of users for fiber optic transmission and access of various broadband and narrowband services, as well as meet the requirements of larger capacity users and provide more reliable communication protection. The IDM MSTP155-24 can directly correspond to remote PDH optical terminal units, optical modems, and multi-service optical terminal units, adapting to various network topologies. It can serve as a compact MSTP device integrating multi-service access, SDH transmission, and PDH optical access functions.

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Overview:

The IDM MSTP155-24 Multi-Service Transport Platform is a new generation of products based on SDH/MSTP technology launched by our company in response to market demand. It can meet the needs of users for broadband and narrowband multi-service fiber optic transmission and access, while also satisfying higher-capacity user requirements and providing more reliable communication protection. The IDM MSTP155-24 can directly interface with remote PDH optical terminals, optical modems, and multi-service optical terminals, adapting to various network topologies. It can serve as a compact MSTP device integrating multi-service access, SDH transmission, and PDH optical access functions. The concise and comprehensive network management functions enable configuration, fault query, and data statistics for this series of equipment, with real-time monitoring of network operation status. Additionally, industrial-grade components and comprehensive EMC and interface protection designs are adopted throughout.

Product Features:Product Features:

Product Features:

 Standard 19-inch 1U chassis structure, easy to install;
 Two STM-1 optical interfaces, providing 1+1 channel protection;
 2 channels of n×64K (n=1~31) V.35/V.11 interfaces;
 Integrates SDH optical transmission, PCM multiplexing, and Ethernet access in one multi-service platform;
 Supports up to 4 physically isolated Ethernet channels, enabling N×E1 bandwidth bundling with flexible allocation;
 Provides 3 service card slots, optional 8E1 interface card, USER card, 8-channel telephone interface card, 8-channel RS232/RS485/RS422 interface card;
 Adopts plug-in card design, providing multiple voice and data services through interface cards with strong upgradeability;
 Supports point-to-point, chain, and ring networking topologies, and can also be jointly networked with centralized MSTP systems;
 Compliant with ITU-T G.813 standard, fully meeting requirements for timing accuracy, pull-in/pull-out, noise generation, noise tolerance, transfer characteristics, and long/short-term phase response holdover mode;
 Features comprehensive network management functions with online real-time monitoring.

Application Networking Diagram:

 IDM MSTP155-24 Application Diagram in the <a href=/solution/ target=_blank class=infotextkey>Command & Dispatch</a> System

                         **IDM MSTP155-24 Application Diagram in the [Command & Dispatch](/en/solution/) System**

FAQs

What are the features of SDH technology and MSTP products?

I. Development Directions of Next-Generation SDH Technology and Products Regarding the development direction of…

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What is the difference between PDH and SDH?

I. PDH PDH is the Plesiochronous Digital Hierarchy, which is divided into the European standard and the…

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Low-Cost SDH Is an Inevitable Choice for Access Network Construction in the Near to Medium Term

The current status of metropolitan optical networks is that SDH/MSTP (DWDM) optical networks have become the mainstream…

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Introduction to Ethernet Over SDH Technology

Interface specifications: On the SDH side, provides 1 x 155.52Mbps LVDS interface, supporting STM-1.

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Ethernet Switch Board Principle

The Ethernet switch board launched by Raytrans on the IDM MSTP155-24 platform is based on the Spanning Tree Protocol…

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