Connector Contents 1 Phone connector (audio) 1 1.1 Other connectors, other terms .................................... 1 1.2 Modern connectors .......................................... 1 1.2.1 Tiny telephone ........................................ 2 1.2.2 Less common ......................................... 2 1.3 Mono and stereo compatibility .................................... 3 1.4 Uses .................................................. 3 1.4.1 Computer sound ....................................... 5 1.4.2 Recording equipment ..................................... 6 1.4.3 Mobile phones ........................................ 7 1.4.4 Aircraft headsets ....................................... 8 1.5 Switch contacts ............................................ 8 1.6 Design ................................................ 9 1.6.1 Balanced audio ........................................ 10 1.6.2 Unbalanced audio ...................................... 10 1.7 See also ................................................ 11 1.8 References .............................................. 11 2 Edge connector 12 2.1 Socket design ............................................. 12 2.2 Uses .................................................. 12 2.3 See also ................................................ 12 2.4 References .............................................. 12 3 DIN connector 13 3.1 Circular connectors .......................................... 13 3.2 Loudspeaker connector ........................................ 14 3.3 Applications .............................................. 14 3.3.1 Analog audio ......................................... 14 3.3.2 Other uses .......................................... 15 3.4 See also ................................................ 15 3.5 References .............................................. 15 i ii CONTENTS 4 DIN 41612 16 4.1 Mechanical details ........................................... 16 4.2 Electrical details ............................................ 16 4.3 References ............................................... 17 4.4 External links ............................................. 17 5 Modular connector 18 5.1 Nomenclature ............................................. 18 5.2 History ................................................. 18 5.3 Gender ................................................. 19 5.4 Latching tab and orientation ...................................... 19 5.5 Sizes and contacts ........................................... 20 5.5.1 Interchangeability ...................................... 20 5.6 Termination .............................................. 20 5.7 Pinouts ................................................. 21 5.8 4P4C ................................................. 21 5.8.1 Handset wiring ........................................ 21 5.8.2 Data port ........................................... 22 5.9 6P6C ................................................. 22 5.9.1 RJ11 wiring .......................................... 22 5.9.2 Pinouts ............................................ 22 5.9.3 Powered version of RJ11 ................................... 23 5.9.4 Compatibility with structured cabling ............................. 23 5.10 8P8C ................................................. 23 5.10.1 Standardization ........................................ 24 5.10.2 Pinouts ............................................ 24 5.10.3 Types and incompatibility .................................. 25 5.10.4 Applications ......................................... 25 5.10.5 Crossover cables ....................................... 26 5.11 10P10C ................................................ 26 5.12 See also ................................................ 26 5.13 Notes ................................................. 27 5.14 References ............................................... 27 5.15 Bibliography .............................................. 27 5.16 Standards ............................................... 27 5.17 External links ............................................. 28 6 Ribbon cable 29 6.1 History ................................................ 29 6.2 Color-coding ............................................. 29 6.3 Sizes ................................................. 30 6.4 Connectors .............................................. 30 CONTENTS iii 6.4.1 Interference .......................................... 30 6.4.2 Impedance .......................................... 31 6.4.3 Proper Usage ......................................... 31 6.5 See also ................................................ 31 6.6 References .............................................. 31 7 CPU socket 32 7.1 Function ................................................ 32 7.2 List of 80x86 sockets and slots .................................... 33 7.3 Slotkets ................................................ 33 7.4 See also ................................................ 33 7.5 References ............................................... 33 7.6 External links ............................................. 33 8 Coaxial cable 34 8.1 Applications .............................................. 34 8.2 Description .............................................. 34 8.3 Construction .............................................. 35 8.4 Signal propagation ........................................... 36 8.5 Connectors .............................................. 36 8.6 Important parameters ......................................... 36 8.6.1 Physical parameters ...................................... 37 8.6.2 Fundamental electrical parameters .............................. 37 8.6.3 Derived electrical parameters ................................. 37 8.6.4 Choice of impedance ..................................... 38 8.7 Issues ................................................. 39 8.7.1 Signal leakage ......................................... 39 8.7.2 Ground loops ......................................... 39 8.7.3 Noise ............................................. 39 8.7.4 Common mode current and radiation ............................. 40 8.8 Standards ............................................... 40 8.9 Uses .................................................. 41 8.10 Types ................................................. 41 8.10.1 Hard line ........................................... 41 8.10.2 Radiating ........................................... 42 8.10.3 RG-6 ............................................. 42 8.10.4 Triaxial cable ......................................... 42 8.10.5 Twin-axial cable ....................................... 42 8.10.6 Semi-rigid ........................................... 42 8.10.7 Rigid line ........................................... 43 8.10.8 Cables used in the UK .................................... 43 8.11 Interference and troubleshooting ................................... 44 iv CONTENTS 8.12 History ................................................. 44 8.13 See also ................................................ 45 8.14 References .............................................. 45 8.15 External links ............................................. 46 9 RF connector 47 9.1 Standard types ............................................ 47 9.1.1 Miniature types ........................................ 48 9.1.2 Sub-miniature types ..................................... 48 9.1.3 Micro-miniature types .................................... 48 9.1.4 Precision types ........................................ 48 9.1.5 Flange connectors ...................................... 48 9.1.6 Quick-lock connectors .................................... 48 9.1.7 High voltage types ...................................... 49 9.1.8 Blindmate types ....................................... 49 9.2 See also ................................................ 49 9.3 References ............................................... 49 9.4 External links ............................................. 49 10 Coaxial power connector 50 10.1 Connector construction and terminology ............................... 50 10.1.1 Female (plug) ......................................... 50 10.1.2 Male (receptacle) ....................................... 50 10.2 Connector sizes ............................................ 50 10.3 Common sizes and interchangeability ................................. 51 10.4 Locking and retention features .................................... 51 10.5 Standards ............................................... 51 10.5.1 IEC 60130-10 ......................................... 51 10.5.2 EIAJ power connectors .................................... 51 10.5.3 DIN 45323 .......................................... 52 10.6 Listing of DC coaxial connectors ................................... 52 10.7 RadioShack Adaptaplug conversion matrix .............................. 52 10.8 See also ................................................ 52 10.9 References ............................................... 52 10.10External links ............................................. 52 11 Optical fiber connector 53 11.1 Application .............................................. 53 11.2 Types ................................................. 54 11.2.1 Obsolete connectors ...................................... 54 11.2.2 Notes ............................................. 54 11.2.3 Mnemonics .......................................... 54 CONTENTS v 11.2.4 Field-mountable connectors .................................. 54 11.3 Analysis ...............................................