DD IEC PAS 61754-18:2001 pdf download Fibre optic connector interfaces — Part 18: Type MT-RJ connector family
Scope
This part of IEC 61754 defines the standard interface dimensions for the type MT-RJ family ofconnectors.
Description
The parent connector for the type MT-RJ connector family is a plug connector having single ormultiple fibres in a rectangular ferrule nominally 4,4 x 2,5 mm aligned by two 0,7 mm diameterpins and corresponding holes. The connector includes a single coupling latch and a ferrulespring loaded in the direction of the optical axis. The plug connector has a single male keywhich may be used to orientate the connector and the component to which it is mated.
Connector interfaces are configured as a plug without pins, an adaptor and a plug with pins oralternatively as a plug without pins and a receptacle with pins. Adaptors use ribs to pre-alignferrules. Receptacles with and without ribs are defined.
3Interfaces
Subsequent pages define the standard interfaces for the type MT-RJ connector family.
This standard contains the following standard interfaces:
Interface 61754-18-1 MT-RJ plug connector interface, without pins, consisting of
Interface 61754-18-1-1 for single fibre
Interface 61754-18-1-2 for two fibres with a pitch of 0.25 mm
Interface 61754-18-1-3 for two fibres with a pitch of 0.75 mmInterface 61754-18-1-4 for four fibres with a pitch of 0.25 mmlnterface 61754-18-2 MT-RJ plug connector interface, with pins, consisting of,
Interface 61754-18-2-1 for single fibre
Interface 61754-18-2-2 for two fibres with a pitch of 0.25 mmnterface 61754-18-2-3 for two fibres with a pitch of 0.75 mm
nterface 61754-18-2-4 for four fibres with a pitch of 0.25 mm
Interface61754-18-3MT-RJadaptor interface
Interface 61754-18-4 MT-RJ receptacle interface, with pins, without ribs, consisting ofInterface 61754-18-4-1 for single fibre
nterface 61754-18-4-2 for two fibres with a pitch of 0.25 mmInterface 61754-18-4-3 for two fibres with a pitch of 0.75 mm
Interface 61754-18-4-4 for four fibres with a pitch of 0.25 mm
Interface 61 754-1 8-5 MT-RJ receptacle interface, with pins, with ribs, consisting of,
Interface 61 754-1 8-5-1 for single fibre
Interface 61 754-1 8-5-2 for two fibres with a pitch of 0,25 mm
Interface 61 754-1 8-5-3 for two fibres with a pitch of 0,75 mm
Interface 61 754-1 8-5-4 for four fibres with a pitch of 0,25 mm
The following standards are intermateable.

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