www bzfxw com BRITISH STANDARD BS EN 4639 001 2007 Aerospace series — Connectors, optical, rectangular, modular, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder — Part 001[.]
BRITISH STANDARD Aerospace series — Connectors, optical, rectangular, modular, multicontact, 1,25 diameter ferrule, with removable alignment sleeve holder — Part 001: Technical specification ICS 49.060 12&23 The different shapes and dimensions of the sleeve cavity must be defined to warrant this condition Figure 6.5.6 Contact arrangements Identification of the contact position shall be permanently marked in contrasting colour on the rear face of the module Contact arrangements: see Figure 12 EN 4639-001:2007 5 Rear grommet face Female module (with sleeve holder) Rear grommet face Male module Key "A" keying On ribs "B" keying End of the optical contact Cavity Position of the optical contact polarization key Or "B" marking (according to the connector housing cavity) Figure 13 EN 4639-001:2007 7.1 Tests Tests according to EN 2591-100 The tests of EN 2591-100, applicable in the context of this standard as well as the details necessary for implementing them and for inspecting connector characteristics, are given in Table Table EN 2591- Test Details 6101 Visual examination No loosening of parts, cracks, excessive wear, or detached parts Optical face undamaged and free from contamination when examined at 100 × magnification 101 Visual examination Applicable to protective covers only 102 Examination of dimensions and mass According optical contact product standard 6301 Endurance at temperature For performance and test method requirements refer to the applicable product standard for the component and cable under test 302 Climatic sequence For performance and test method requirements refer to the applicable product standard for the component and cable under test 6303 Cold/low pressure and damp heat Not applicable 304 Damp heat steady state For performance and test method requirements refer to the applicable product standard for the component and cable under test 6305 Rapid change of temperature For performance and test method requirements refer to the applicable product standard for the component and cable under test 6306 Mould growth Not applicable 6307 Salt mist For performance and test method requirements refer to the applicable product standard for the component and cable under test 308 Sand and dust Not applicable 309 Dry heat For performance and test method requirements refer to the applicable product standard for the component and cable under test 310 Cold For performance and test method requirements refer to the applicable product standard for the component and cable under test 311 Low air pressure For performance and test method requirements refer to the applicable product standard for the component and cable under test 312 Air leakage Not applicable NOTE In the case of a qualified inspection system, the parts unrelated to a production batch, may be used continued 14 EN 4639-001:2007 Table (continued) EN 2591- Test Details 313 Driving rain (artificial) For performance and test method requirements refer to the applicable product standard for the component and cable under test 6314 Immersion at low air pressure Pressure 11,6 kPa 6315 Fluid resistance See Table for fluids, number of cycles, temperature and time of immersion, and temperature of third phase 6316 Ozone resistance Not applicable 6317 Flammability No dripping of material such as to ignite flammable tissue Burning and afterglow to extinguish within 60 s 6318 Fire resistance Not applicable 319 Gastightness of solderless wrapped connections Not applicable 320 Simulated solar radiation at ground level For performance and test method requirements refer to the applicable product standard for the component and cable under test 6321 Damp heat, cyclic test Connector mated, cycles Method A 6323 Thermal shock (Hermetically sealed devices) Not applicable 6324 Interfacial sealing Not applicable 6325 Ice resistance Not Applicable 6401 Acceleration steady state Not applicable 6402 Shock Method A, severity 50G 6403 Vibrations Method B and EN 2591-403, Figure 3, Table 2, level G axes (X, Y and Z), hours/axe 6404 Transverse load Not applicable 6405 Axial load For performance and test method requirements refer to the applicable product standard for the component and cable under test 6406 Mechanical endurance For performance and test method requirements refer to the applicable product standard for the component and cable under test See EN 4644-001 407 Durability of contact retention system and seals (maintenance ageing) For performance and test method requirements refer to the applicable product standard for the component and cable under test continued 15 EN 4639-001:2007 Table (continued) EN 2591408 Test Mating and unmating forces Details Method A Housing size Engagement force N.m max Disengagement force N.m 1.0 1.2 1.0 1.0 These values are increased by 50 % at − 25 °C and by 25 % after test EN 2591-308 409 Contact retention in insert For performance and test method requirements refer to the applicable product standard for the component and cable under test 410 Insert retention in housing (axial) Connector not fitted with contacts Mechanical pressure applied: 400 N 411 Insert retention in housing (torsional) Not applicable 412 Contact insertion and extraction forces 20 N max 6414 Unmating of lanyard release optical connection elements Not applicable 6415 Test probe damage Not applicable 601 Insertion loss For performance and test method requirements refer to the applicable product standard for the component and cable under test 602 Variation of attenuation and optical discontinuity For performance and test method requirements refer to the applicable product standard for the component and cable under test 603 Change of power distribution Not applicable 604 Cleaning capability of the optical face For performance and test method requirements refer to the applicable product standard for the component and cable under test 605 Return loss For performance and test method requirements refer to the applicable product standard for the component and cable under test 607 Immunity to ambient light coupling For performance and test method requirements refer to the applicable product standard for the component and cable under test 608 Nuclear radiation Not applicable 609 Effectiveness of cable attachment – Cable cyclic flexing For performance and test method requirements refer to the applicable product standard for the component and cable under test 610 Effectiveness of cable attachment – Cable pulling For performance and test method requirements refer to the applicable product standard for the component and cable under test continued 16 EN 4639-001:2007 Table (concluded) EN 2591- 7.2 Test Details 611 Effectiveness of cable attachment – Cable torsion For performance and test method requirements refer to the applicable product standard for the component and cable under test 612 Effectiveness of cable attachment – Cable axial compression For performance and test method requirements refer to the applicable product standard for the component and cable under test 613 Impact test For performance and test method requirements refer to the applicable product standard for the component and cable under test 614 Connector radial compression Not applicable 615 Connection integrity at temperature Not applicable 617 Temperature cycling For performance and test method requirements refer to the applicable product standard for the component and cable under test Special tests Table — Resistance to fluids Fluid Category Immersion References, see EN 3909 Drying Duration Temp Temp °C °C Number of cycles Fuel NATO F-44 25 85 Mineral hydraulic Fluid NATO H-515 15 85 100 Synthetic hydraulic Fluid Skydrol 500 B4 Skydrol LD 15 85 100 Mineral lubricant NATO O-142 15 120 125 15 150 125 25 25 NATO O-156 Synthetic lubricant NATO O-148 Cleaning products 25 % Propanol + 75 % White spirit 15 De-icing fluid NATO S-742 15 50 100 Extinguishing fluid Chlorobromethane (in overpressure of 0,1 MPa) 15 − 15 25 Cooling fluid Coolanol 15 50 25 5 17 EN 4639-001:2007 Quality assurance 8.1 General Quality assurance shall conform to EN 9133 8.2 Qualification 8.2.1 General Qualification of a model (EN 4644-001) is obtained: either when the specimens of this model as defined in 8.2.2 have satisfied the applicable tests in groups to 6, by extension of qualification: qualification of a model very similar to a model already qualified, may be obtained by performing a small number of additional tests or by analogy by structural similarity 8.2.2 Sampling and definition of specimens If more than one fibre/cable arrangement is being tested, there shall equal quantities for each group Table Test group No 8.2.3 Number of complete specimens (receptacle, plug and protective-covers) as applicable All specimens pairs complete specimens 2 complete specimens complete specimens complete specimen for each test fluid complete specimens complete specimens complete specimens Preparation of specimens All specimens shall be terminated using typically m length of cable, i.e each half of a connector shall have a m minimum length of cable attached 8.2.4 Programme of qualification tests The qualification approval tests are defined in Table and shall be carried out in the sequence specified in Table 18