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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Beskrivning Pris Type Interface Type LAN Category Number of Ports Shield Type Wiring Configuration Length Width Depth Diameter Extension Length
RS-artikelnummer 724-8953
VarumärkeRS PRO
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PCB Unit RJ45, Screw Terminal - - - - - - - - -
RS-artikelnummer 111-6747
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90° Coupler RJ45 Female - - Shielded - 36.9mm 29.1mm 36.2mm - -
RS-artikelnummer 186-3133
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46,91 kr
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Coupler RJ11 - 2 Unshielded Straight Through 20.55mm 14.48mm 26.96mm - -
RS-artikelnummer 111-6746
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269,27 kr
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Coupler RJ45 Female - 1 Shielded Straight Through - 29.1mm 38.2mm - -
RS-artikelnummer 186-3155
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125,82 kr
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Extender RJ11 Female, RJ11 Male Cat3 1 - - - - - - 2 m
RS-artikelnummer 340-9652
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99,28 kr
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Wiring Box Punch Down Cat5 2 STP Straight Through 25mm 25mm 45mm - -
RS-artikelnummer 874-1217
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79,25 kr
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Coupler RJ45 Cat5e - Shielded - - - - - -
RS-artikelnummer 186-3161
VarumärkeRS PRO
109,27 kr
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Extender RJ45 Female, RJ45 Male Cat3 1 - - - - - - 2 m
RS-artikelnummer 186-3149
VarumärkeRS PRO
53,20 kr
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Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - -
RS-artikelnummer 340-9624
VarumärkeRS PRO
110,48 kr
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Coupler RJ45 Female Cat5e - UTP Straight Through 17.3mm 16.3mm 28mm - -
RS-artikelnummer 186-3032
VarumärkeRS PRO
63,56 kr
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Coupler RJ11 Cat3 - UTP Straight Through 22mm 16mm 37.3mm - -
RS-artikelnummer 340-9646
VarumärkeRS PRO
58,28 kr
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Wiring Box Punch Down Cat5e 2 UTP Straight Through 25mm 25mm 45mm - -
RS-artikelnummer 874-1223
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74,83 kr
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Feedthrough Connector RJ45 Cat6 - UTP - - - - - -
RS-artikelnummer 124-2520
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93,82 kr
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Adapter RJ45, Terminal Block - 8 - Straight Through - - - - -
RS-artikelnummer 360-7115
VarumärkeRS PRO
138,19 kr
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Coupler RJ45 Male Cat5e - UTP Straight Through 19.6mm 23mm 32.5mm - -
RS-artikelnummer 907-5668
VarumärkeRS PRO
132,89 kr
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- - Cat6 - FTP - - - - - -
RS-artikelnummer 874-1226
VarumärkeRS PRO
60,48 kr
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Feedthrough Connector RJ45 Female Cat5e - - - - 26mm - - -
RS-artikelnummer 206-7200
VarumärkeRS PRO
87,678 kr
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3 Way Splitter Adapter RJ45 Female - 2 Shielded - - - - - -
RS-artikelnummer 874-1260
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77,70 kr
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Feedthrough Connector - Cat5e - Shielded - - - - - -
RS-artikelnummer 186-3105
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89,62 kr
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Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - -