Types
Many types of optical connector have been developed at different times, and for different purposes. Many of them are summarized in the table below.
| Short name | Long form | Coupling type | Ferrule diameter | Standard | Typical applications |
|---|---|---|---|---|---|
| Avio (Avim) | Screw | Aerospace and avionics | |||
| ADT-UNI | Screw | 2.5 mm | Measurement equipment | ||
| Biconic | Screw | 2.5 mm | Obsolete | ||
| D4 | Screw | 2.0 mm | Telecom in the 1970s and 1980s, obsolete | ||
| Deutsch 1000 | Screw | Telecom, obsolete | |||
| DIN (LSA) | Screw | IEC 61754-3 | Telecom in Germany in 1990s; measurement equipment; obsolete | ||
| DMI | Clip | 2.5 mm | Printed circuit boards | ||
| E-2000 (AKA LSH) | Snap, with light and dust-cap | 2.5 mm | IEC 61754-15 | Telecom, DWDM systems; | |
| EC | push-pull type | IEC 1754-8 | Telecom & CATV networks | ||
| ESCON | Enterprise Systems Connection | Snap (duplex) | 2.5 mm | IBM mainframe computers and peripherals | |
| F07 | 2.5 mm | Japanese Industrial Standard (JIS) | LAN, audio systems; for 200 μm fibers, simple field termination possible, mates with ST connectors | ||
| F-3000 | Snap, with light and dust-cap | 1.25 mm | IEC 61754-20 | Fiber To The Home (LC Compatible) | |
| FC | Ferrule Connector or Fiber Channel | Screw | 2.5 mm | IEC 61754-13 | Datacom, telecom, measurement equipment, single-mode lasers; becoming less common |
| Fibergate | Snap, with dust-cap | 1.25 mm | Backplane connector | ||
| FSMA | Screw | 3.175 mm | IEC 60874-2 | Datacom, telecom, test and measurement | |
| LC | Lucent Connector, Little Connector, or Local Connector |
Snap | 1.25 mm | IEC 61754-20 | High-density connections, SFP transceivers, XFP transceivers |
| ELIO | Bayonet | 2.5 mm | ABS1379 | PC or UPC | |
| Lucxis | 1.25 mm | ARINC 801 | PC or APC configurations (note 3) | ||
| LX-5 | Snap, with light- and dust-cap | IEC 61754-23 | High-density connections; rarely used | ||
| MIC | Media Interface Connector | Snap | 2.5 mm | Fiber distributed data interface (FDDI) | |
| MPO / MTP | Multiple-Fiber Push-On/Pull-off | Snap (multiplex push-pull coupling) | 2.5×6.4 mm | IEC-61754-7; EIA/TIA-604-5 (FOCIS 5) | SM or MM multi-fiber ribbon. Same ferrule as MT, but more easily reconnectable. Used for indoor cabling and device interconnections. MTP is a brand name for an improved connector, which intermates with MPO. |
| MT | Mechanical Transfer | Snap (multiplex) | 2.5×6.4 mm | Pre-terminated cable assemblies; outdoor applications | |
| MT-RJ | Mechanical Transfer Registered Jack or Media Termination - recommended jack | Snap (duplex) | 2.45×4.4 mm | IEC 61754-18 | Duplex multimode connections |
| MU | Miniature unit | Snap | 1.25 mm | IEC 61754-6 | Common in Japan |
| NEC D4 | Screw | 2.0 mm | Common in Japan telecom in 1980s | ||
| Opti-Jack | Snap (duplex) | ||||
| OPTIMATE | Screw | Plastic fiber, obsolete | |||
| OptoClip II | Snap (push-pull coupling) | None - bare fiber used | Proprietry Hüber & Suhner | Datacom and telcom; not common | |
| SC | Subscriber Connector or square connector or Standard Connector |
Snap (push-pull coupling) | 2.5 mm | IEC 61754-4 | Datacom and telcom; GBIC; extremely common |
| SMA 905 | Sub Miniature A | Screw | Typ. 3.14 mm | Industrial lasers, military; telecom multimode | |
| SMA 906 | Sub Miniature A | Screw | Stepped; typ. 0.118 in (3.0 mm), then 0.089 in (2.3 mm) | Industrial lasers, military; telecom multimode | |
| SMC | Sub Miniature C | Snap | 2.5 mm | ||
| ST / BFOC | Straight Tip/Bayonet Fiber Optic Connector | Bayonet | 2.5 mm | IEC 61754-2 | Multimode, rarely single-mode; APC not possible (note 3) |
| TOSLINK | Toshiba Link | Snap | most common is JIS F05 | Digital audio | |
| VF-45 | Snap | Datacom | |||
| 1053 HDTV | Broadcast connector interface | Push-pull coupling | Industry-standard 1.25 mm diameter ceramic ferrule | Audio & Data (broadcasting) | |
| V-PIN | V-System | Snap (Duplex) Push-pull coupling | Industrial and electric utility networking; multimode 200 μm, 400 μm, 1 mm, 2.2 mm fibers |
Read more about this topic: Optical Fiber Connector
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