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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Description Price Type Interface Type LAN Category Number of Ports Shield Type Wiring Configuration Length Width Depth Diameter Extension Length Series Series Number Voltage Rating
RS Stock No. 443-9165
BrandRS PRO
£5.12
Each
Units
T-Adapter RJ45 Cat5e 2 Unshielded Straight Through - - - - 170 mm - - -
RS Stock No. 340-9630
BrandRS PRO
£4.31
Each
Units
Coupler RJ45 Female Cat5 - STP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 340-9624
BrandRS PRO
£6.21
Each
Units
Coupler RJ45 Female Cat5 - UTP Straight Through 17.3mm 16.3mm 28mm - - - - -
RS Stock No. 340-9646
BrandRS PRO
£4.17
Each
Units
Wiring Box Punch Down Cat5e 2 UTP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 186-3048
BrandRS PRO
£3.86
Each
Units
Coupler RJ45 Cat3 - UTP Straight Through 22.02mm 16mm 37.3mm - - - - -
RS Stock No. 186-3098
BrandRS PRO
£6.06
Each
Units
Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 186-3161
BrandRS PRO
£6.31
Each
Units
Extender RJ45 Female, RJ45 Male Cat3 1 - - - - - - 2 m - - -
RS Stock No. 186-3111
BrandRS PRO
£5.19
Each
Units
Modular Coupler RJ45 - 2 Shielded Straight Through 18.54mm 21mm 27.46mm - - - - -
RS Stock No. 186-3032
BrandRS PRO
£3.72
Each
Units
Coupler RJ11 Cat3 - UTP Straight Through 22mm 16mm 37.3mm - - - - -
RS Stock No. 340-9652
BrandRS PRO
£6.74
Each
Units
Wiring Box Punch Down Cat5 2 STP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 186-3149
BrandRS PRO
£3.74
Each
Units
Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 186-3082
BrandRS PRO
£5.41
Each
Units
Adapter RJ11 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 186-3155
BrandRS PRO
£6.60
Each
Units
Extender RJ11 Female, RJ11 Male Cat3 1 - - - - - - 2 m - - -
RS Stock No. 111-6746
BrandRS PRO
£12.68
Each
Units
Coupler RJ45 Female - 1 Shielded Straight Through - 29.1mm 38.2mm - - GTC Sealed GTC Sealed -
RS Stock No. 443-9519
BrandRS PRO
£5.60
Each
Units
T-Adapter RJ45 Cat5e 2 Shielded Straight Through - - - - 170 mm - - -
RS Stock No. 111-6747
BrandRS PRO
£12.92
Each
Units
90° Coupler RJ45 Female - - Shielded - 36.9mm 29.1mm 36.2mm - - GTC Sealed GTC Sealed -
RS Stock No. 186-3105
BrandRS PRO
£5.27
Each
Units
Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 186-3054
BrandRS PRO
£4.80
Each
Units
Coupler RJ45 Cat3 - UTP Crossed 22.02mm 16mm 37.3mm - - - - -
RS Stock No. 186-3133
BrandRS PRO
£3.16
Each
Units
Coupler RJ11 - 2 Unshielded Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 360-7115
BrandRS PRO
£9.64
Each
Units
Coupler RJ45 Male Cat5e - UTP Straight Through 19.6mm 23mm 32.5mm - - - - -
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