DD IEC PAS 61754-20:2001 pdf download Fibre optic connector interfaces — Part 20: Type LC connector family
1 Scope
This document defines the standard interface dimensions for the type LC family ofconnectors.
2 Description
The parent connector for type LC connector family is a single position plug connectoiset of plug/adaptor confiquration which is characterized by a 1.25 mm nominal diameterferrule. The connector includes a single coupling latch and a ferrule spring loaded in thedirection of the optical axis The plug has a single male key, which may be used to orientand limit the relative position between the connector and the component to which it ismated. The optical alignment mechanism of the connectors is a rigid bore sleeve or aresilient sleeve.
3Interfaces
The subsequent pages define the standard interfaces for the type LC connector familyThe standard interfaces contained in this document are listed in the following:
IEC 61754-20-1: Simplex Plug Connector Interface -PC
EC 61754-20-2:Simplex Adaptor Connector Interface
IEC 61754-20-3: Simplex Active Device Receptacle Interface
EC 61754-20-4: Duplex Plug Connector Interface -PC
IEC 61754-20-5: Duplex Adaptor Connector Interface
EC 61754-20-6: Duplex ctive Device Receptacle InterfaceIEC 61754-20-7: Simplex Plug Connector Interface -APC 8
IEC 61754-20-8: Duplex Plug Connector Interface -APC 8°
The plug of IEC 61754-20-1 and IEC 61754-20-4 has a ferrule with a sphericallypolished endface, and realizes physical contact (PC) The plug of IEC 61754-20-7 andEC 61754-20-8 has a ferrule with a spherically polished angled endface which may takeany of the APC forms shown in Detail A and realizes a physical contact.

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