OSP Optical Design

What is OSP Optical Design?

Outside Plant Engineering (OSP) Optical Design is the practice of engineering fiber optic-based pathways to meet Telcordia specifications related to Loop Length, Attenuation levels at 1310nm, 1550nm, 1625nm, Optical Reflection and other character- based optical requirements for optical-based telecommunications services.

  • Optical Fiber Characteristics:

    • Single mode versus multimode and the use-case of each

    • Optical fiber sheath make-up and considerations explained

    • Sheath / Buffer tube / strands (900-micron, 62.5 - micron)

  • Splice Configurations:

    • Splice Matrix versus cable counts (Telcordia)

    • Configuring splicing for construction drawing development

    • Creation of splice drawings and the Telcordia based symbology used and why

  • Cable placement:

    • Understanding environmental factors and developing accordingly

      • Route selection based rodent control

      • Storm loading (practice as part of OSP Physical Design)

      • Climate determinations

      • Other

  • Assessing and recommending critical requirements of master record keeping:

    • Optical Fiber Assignment systems based on canned software-based Customer Records Management (CRM) versus customized database development such as FileMaker (Apple Product)

    • Understanding budgetary requirements and constraints for the development of fiber management systems

    • Development of Route Design Schematics (RDS) and how this relates to construction drawings and as-built processing

  • Detailed Distribution Area Planning (DDap) for future growth and capacity planning:

    • Analysis to gain understanding of distribution area customer / subscriber bases to include service types, i.e. XPon, Ethernet, Dark Fiber

    • Creating distribution areas that ultimately become splice and cable configurations for both long- and short-term cable assignment growth.

    • Capacity Planning methodology:

      • How to assess regional trunk routes

      • Cable relief strategies

      • Budgetary cost analysis and projections

  • Optical Design Processes:
    Understanding customer bases to effectively design, engineer and construct to support:

    • Gigabit Passive Optical Design principles:

      • Single split

      • Distributed split

    • Native Ethernet Circuit Design practices and delivery requirements


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