Fiber Technology Choices
The shift from standard G.652 single-mode fiber to G.654 and G.657 fibers is accelerating for new builds:
- G.654.E ultra-low-loss fiber for long-haul runs is now cost-competitive for routes over 50km
- G.657.A2 bend-insensitive fiber for drop and distribution cables simplifies installation and reduces splice/connector failures
- High fiber count cables (432 fiber and above) are increasingly the norm for trunk routes — future bandwidth needs justify the modest additional cost
Conduit System Design
Microduct and blown fiber systems are gaining traction for new builds, particularly in urban and suburban environments:
- Multiple microducts in a single outer duct enable sequential upgrades without new construction
- Blown fiber installation reduces cable damage risk during installation
- Sub-duct systems provide path diversity for critical routes
Documentation Standards
The shift to GIS-based OSP documentation is nearly complete. Modern OSP documentation includes:
- Fiber route centerlines in a GIS database (ESRI or open-source)
- Structure locations, depths, and dimensions
- Splice and termination locations with fiber assignments
- OTDR test results linked to segment records
The value of a well-maintained OSP GIS database only becomes apparent when something breaks at 2 AM and you need to find the right splice enclosure in the dark. It's worth the investment.
OSP Engineering Services
Richesin Engineering provides complete outside plant engineering services from route survey through as-built documentation.
OSP Services