www bzfxw com BRITISH STANDARD BS EN 61753 021 2 2008 Fibre optic interconnecting devices and passive components performance standard — Part 021 2 Grade C/3 single mode fibre optic connectors for cate[.]
BRITISH STANDARD Fibre optic interconnecting devices and passive components performance standard — Part 021-2: Grade C/3 single-mode fibre optic connectors for category C — Controlled environment ICS 33.180.20 12&23 35 dB IEC 61300-3-6 Method branching devices Test wavelengths: 310 nm ± 20 nm and 550 nm ± 20 nm Source stability: ±0,20 dB over the measuring period or at least h Launch fibre length: L > m Detector linearity: within % of the power levels to be measured Directivity: >65 dB Specimen shall be optically functioning Preconditioning procedure: clean plug and adapter according to manufacturer’s instructions Alternative method: IEC 61300-3-6 Method OTDR Launch fibre length: L1 ≥ 500 m, L2 ≥ m, L3 ≥ m ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Pulse duration: ≤10 ns Specimen shall be optically functioning Preconditioning procedure: clean plug and adapter according to manufacturer’s instructions Vibration (sinusoidal) Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 Return loss: All return loss measurements shall meet the criteria specified in 7.4 Test wavelengths: 550 nm ± 20 nm IEC 61300-2-1 Frequency range: 10 Hz to 55 Hz Change in frequency: oct/min Endurance duration per axis: 0,5 h Number of axes: three orthogonal Number of sweeps per axis: 15 Vibration amplitude: 0,75 mm Sampling rate: before, during and after each axis The measurement interval during the test shall be < ms and transient monitoring shall be performed according to IEC 61300-3-28 Sampling rate note: Attenuation and return loss decrease is the difference between any measurement and the initial measurement, and applies to all measurements Maximum attenuation and return loss criteria apply to all measurements Method of mounting: an adapter shall be mounted rigidly to the mounting fixture Specimen shall be optically functioning Preconditioning procedure: clean plug and adapter according to manufacturer’s instructions The connector samples shall not be uncoupled or cleaned anytime during the test BS EN 61753-021-2:2008 –9– Table (continued) No Test Cold Requirements Details Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 IEC 61300-2-17 Return loss: All return loss measurements shall meet the criteria specified in 7.4 Duration of exposure: 96 h Test wavelengths: 550 nm ± 20 nm Sampling rate: before and after test and at a maximum interval of h during the test Temperature: –10 °C ± °C Length of the cable on each side of the connector inside the chamber: 1,5 m minimum Preconditioning procedure: before test, specimens shall be maintained in room temperature condition for h Clean plug and adapter according to manufacturer’s instructions Recovery procedure: after test, specimens shall be maintained in room temperature condition for h The connector samples shall not be uncoupled or cleaned anytime during the test Dry heat high temperature endurance Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 IEC 61300-2-18 Return loss: All return loss measurements shall meet the criteria specified in 7.4 Duration of exposure: 96 h Test wavelengths: 550 nm ± 20 nm Sampling rate: before and after test and at a maximum interval of h during the test Temperature: +60 °C ± °C Length of the cable on each side of the connector inside the chamber:1,5 m minimum ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Preconditioning procedure: before test, specimens shall be maintained in room temperature condition for h Clean plug and adapter according to manufacturer’s instructions Recovery procedure: after test, specimens shall be maintained in room temperature condition for h The connector samples shall not be uncoupled or cleaned anytime during the test Damp heat (steady state) Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 IEC 61300-2-19 Return Loss: All return loss measurements shall meet the criteria specified in 7.4 Relative humidity: 93 % – % Test wavelengths: 550 nm ± 20 nm Temperature: +40 °C ± °C +2 Duration of exposure: 96 h Length of the cable on each side of the connector inside the chamber: 1,5 m minimum Sampling rate: before and after test and at a maximum interval of h during the test Preconditioning procedure: before test, specimens shall be maintained in room temperature condition for h Clean plug and adapter according to manufacturer’s instructions Recovery procedure: after test, specimens shall be maintained in room temperature condition for h The connector samples shall not be uncoupled or cleaned anytime during the test BS EN 61753-021-2:2008 – 10 – Table (continued) No Test Change of temperature Requirements Details Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 IEC 61300-2-22, Test Nb Return loss: All return loss measurements shall meet the criteria specified in 7.4 Low temperature dwell: –10 °C ± °C High temperature dwell: +60 °C ± °C Duration at each dwell temperature: h Ramp time = °C/minute Test wavelengths: 550 nm ± 20 nm Number of cycles: Length of the cable on each side of the connector inside the chamber: 1,5 m minimum Specimen shall be optically functioning Sampling rate: initially at room ambient, after 1/2 h during each dwell (measurements to be completed during dwell) and at the end of the test at room ambient Preconditioning procedure: before test, specimens shall be maintained in room temperature condition for h Recovery procedure: after test, specimens shall be maintained in room temperature condition for h The connector samples shall not be uncoupled or cleaned anytime during the test Flexing of the strain relief of fibre optic devices ｗｗｗ．ｂｚｆｘｗ．ｃｏｍ Attenuation: All attenuation measurements shall meet the criteria specified in 7.4 Return loss: All return loss measurements shall meet the criteria specified in 7.4 IEC 61300-2-44 Magnitude of the tensile load: N for connectors with reinforced cable Cycle: 0° to +90° to 0° to –90° to 0° (continuous with reversing at ±90°) Test wavelengths: 310 nm ± 20 nm and 550 nm ± 20 nm Number of cycles: 100 NOTE This test does not apply to connectors without reinforced cable Point of application of tensile load: 220 mm 280 mm from cable entrance to plug Rate of application of the tensile load: N/s for reinforced cable Sampling rate: initially, during and at the end of the test Measurement interval during the test shall be