BS EN 50377-3-1:2008

1 Scope
  1.1 Product definition
  1.2 Intermateability
  1.3 Operating environment
  1.4 Reliability
  1.5 Quality assurance
2 Normative references
3 Description
  3.1 Plug
  3.2 Socket
  3.3 Materials
  3.4 Dimensions
  3.5 Colour and marking
4 Variants
  4.1 Terminated plug
  4.2 Terminated socket
  4.3 Identification of variants
5 Dimensional requirements
  5.1 Outline dimensions
      5.1.1 Plug variants
      5.1.2 Socket variants
  5.2 Mating face and other limit dimensions
      5.2.1 Plug
      5.2.2 Detail A: Plug fibre endtip geometry after termination
      5.2.3 Socket
      5.2.4 Detail B: Socket fibre endtip geometry after termination
6 Tests
  6.1 Sample size
  6.2 Test and measurement methods
  6.3 Test sequence
  6.4 Pass/fail criteria
7 Test report
8 Testing requirements
  8.1 Dimensional requirements
  8.2 Optical performance requirements
  8.3 Mechanical performance requirements
  8.4 Environmental performance requirements
Annex A (normative) Sample size and product sourcing requirements
Bibliography

Specifies the initial, start of life dimensional, optical mechanical and environmental performance requirements which a terminated and assembled multimode V-groove alignment SG connector set (plug socket) must meet in order for it to be categorised as an EN standard product.