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    Ethernet Couplers

    Ethernet couplers are devices used to connect ethernet cable connections from one type to another. There can be various reasons to use a coupler such as to extend network cabling, split a signal allowing for two cables to be connected to a single port or to allow for different network cable types to be connected.

    Types of Ethernet Couplers

    Mainly differing in how many ports they have. Couplers may have between one and six ports, allowing them to connect up to six cables at one time. They can also differ in their wiring configuration and there are many different types of couplers, from in-line connectors to junction boxes, depending on what you need to convert between.

    They can be found in both shielded or unshielded forms and feature the standardized snap-in system to ensure that a reliable connection is made and kept. Couplers can be used with almost any cable types including Cat5, Cat5e, Cat6a, Cat7 and many more. Always ensure to check both connector A and connector B when buying an ethernet coupler to ensure you can make the exact connections you need and in the correct orientation when using a coupler to split a line. 

    How does an ethernet coupler work?

    Inline couplers typically feature two female connection sockets allowing for two male cables to join. These back to back female connectors simply line up allowing for the 8 cores of wire within the cable to almost seamlessly meet in the middle. 

    Ethernet splitters work under a similar principle to inline however splitters typically have two or more female sockets on a single side of the coupler with a single connector B that is often a male plug. This single male plug enters the couplers housing and is then fed across all of the female sockets. This then allows for the signal to be split across the sockets to all cables connected. 

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    RS PRO
    T-Adapter
    RJ45
    Cat5e
    2
    Unshielded
    Straight Through
    -
    -
    -
    -
    170 mm
    RS PRO
    Coupler
    RJ45 Female
    Cat5e
    -
    STP
    Straight Through
    18mm
    17mm
    28.7mm
    -
    -
    RS PRO
    Coupler
    RJ45 Female
    Cat5e
    -
    UTP
    Straight Through
    17.3mm
    16.3mm
    28mm
    -
    -
    RS PRO
    Wiring Box
    Punch Down
    Cat5e
    2
    UTP
    Straight Through
    25mm
    25mm
    45mm
    -
    -
    RS PRO
    Coupler
    RJ45
    Cat3
    -
    UTP
    Straight Through
    22.02mm
    16mm
    37.3mm
    -
    -
    RS PRO
    Adapter
    RJ45
    -
    2
    -
    Straight Through
    21mm
    26mm
    36mm
    -
    -
    RS PRO
    Extender
    RJ45 Female, RJ45 Male
    Cat3
    1
    -
    -
    -
    -
    -
    -
    2 m
    RS PRO
    Modular Coupler
    RJ45
    -
    2
    Shielded
    Straight Through
    18.54mm
    21mm
    27.46mm
    -
    -
    RS PRO
    Coupler
    RJ11
    Cat3
    -
    UTP
    Straight Through
    22mm
    16mm
    37.3mm
    -
    -
    RS PRO
    Wiring Box
    Punch Down
    Cat5
    2
    STP
    Straight Through
    25mm
    25mm
    45mm
    -
    -
    RS PRO
    Coupler
    RJ45
    -
    2
    UTP
    Straight Through
    20.55mm
    14.48mm
    26.96mm
    -
    -
    RS PRO
    Adapter
    RJ11
    -
    2
    -
    Straight Through
    21mm
    26mm
    36mm
    -
    -
    RS PRO
    PCB Unit
    RJ45, Screw Terminal
    -
    1
    -
    -
    35.5mm
    26.7mm
    14.1mm
    -
    -
    RS PRO
    Extender
    RJ11 Female, RJ11 Male
    Cat3
    1
    -
    -
    -
    -
    -
    -
    2 m
    RS PRO
    T-Adapter
    RJ45
    Cat5e
    2
    Shielded
    Straight Through
    -
    -
    -
    -
    170 mm
    RS PRO
    Coupler
    RJ45 Female
    -
    1
    Shielded
    Straight Through
    -
    29.1mm
    38.2mm
    -
    -
    RS PRO
    90° Coupler
    RJ45 Female
    -
    -
    Shielded
    -
    36.9mm
    29.1mm
    36.2mm
    -
    -
    RS PRO
    Adapter
    RJ45
    -
    2
    -
    Straight Through
    21mm
    26mm
    36mm
    -
    -
    RS PRO
    Coupler
    RJ45
    Cat3
    -
    UTP
    Crossed
    22.02mm
    16mm
    37.3mm
    -
    -
    RS PRO
    Coupler
    RJ11
    -
    2
    Unshielded
    Straight Through
    20.55mm
    14.48mm
    26.96mm
    -
    -
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