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task library
built templatestructured-cablingwith-tool

Fiber Link Loss Budget

Calculates total optical link loss by summing fibre attenuation, connector losses, and splice losses, then compares the result with the system loss budget. This deterministic structured-cabling check reports component losses, total link loss, and remaining power margin.

inputs

7 fields

context

2 archetypes

engine

with-tool

outputs

5 scored fields

contract fields

Parameter Map

7 inputs to 5 scored outputs

  • fiber_length_km

    float

    Fibre route length

    0.01 to 80km

  • fiber_attenuation_db_per_km

    float

    Fibre attenuation

    0.1 to 3.5dB/km

  • connector_count

    float

    Number of connector interfaces

    0 to 20

  • connector_loss_db

    float

    Loss per connector

    0 to 1.5dB

  • splice_count

    float

    Number of splices

    0 to 40

  • splice_loss_db

    float

    Loss per splice

    0 to 0.5dB

  • system_loss_budget_db

    floathidden in hard

    Available system optical loss budget

    1 to 40dB
fiber_loss_dbtol 0.03

Loss due to fibre attenuation

connector_loss_total_dbtol 0.03

Total connector loss

splice_loss_total_dbtol 0.03

Total splice loss

total_link_loss_dbtol 0.03

Total optical link loss

power_margin_dbtol 0.03

Remaining optical power margin

visibility contract

Difficulty Ladder

all_giveneasy

Short link with all component losses given

all fields visible
all_givenmedium

Short or long fibre link

all fields visible
partialhard

System budget hidden in the link context

system_loss_budget_db

scenario bands

Archetype Atlas

campus_backbone

2 contexts

Multimode or short single-mode campus backbone

fiber_length_km0.1 to 5
fiber_attenuation_db_per_km0.3 to 3
connector_count2 to 8
connector_loss_db0.2 to 0.75

campus-backbone / station-comms-room

long_haul_link

2 contexts

Longer single-mode field fibre link

fiber_length_km5 to 80
fiber_attenuation_db_per_km0.15 to 0.5
connector_count2 to 12
connector_loss_db0.2 to 0.75

roadside-fibre / rail-corridor

rendered task

Generation Preview

roadside-fibre-long-haul-link-preview

difficulty
hard
visibility
partial
archetype
long_haul_link
site context
roadside-fibre
instruction excerptfiber-link-loss-budget_calc.py

visible fields

  • fiber_length_km5 to 80 km
  • fiber_attenuation_db_per_km0.15 to 0.5 dB/km
  • connector_count2 to 12
  • connector_loss_db0.2 to 0.75 dB
  • splice_count4 to 40
  • splice_loss_db0.05 to 0.2 dB

withheld schema

system_loss_budget_dbfiber_loss_dbconnector_loss_total_dbsplice_loss_total_dbtotal_link_loss_dbpower_margin_db
Longer single-mode field fibre link. roadside-fibre. Required outputs: fiber_loss_db, connector_loss_total_db, splice_loss_total_db, total_link_loss_db, power_margin_db