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. 741-7348
Mfr. Part No.1963490000
TWD2,701.00
Each
units
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS Stock No. 821-2939
Mfr. Part No.MH3101S-CAT6A
TWD535.00
Each
units
Coupler RJ45 Cat6a 1 STP - 16.8mm 16.1mm 30mm - - MH3101 MH3101S-CAT6A -
RS Stock No. 741-7317
Mfr. Part No.1963600000
TWD981.00
Each
units
Field Installation Plug RJ45 Cat6a 1 STP - 9.45mm 12.9mm 51.32mm - - - - -
RS Stock No. 186-3149
BrandRS PRO
TWD174.00
Each
units
Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 821-2936
Mfr. Part No.MH3101-CAT6
TWD263.00
Each
units
Coupler RJ45 Cat6 1 UTP - 16.6mm 16.2mm 29.8mm - - MH3101 MH3101-CAT6 -
RS Stock No. 186-3105
BrandRS PRO
TWD238.00
Each
units
Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
TWD555.00
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 186-3111
BrandRS PRO
TWD266.00
Each
units
Modular Coupler RJ45 - 2 Shielded Straight Through 18.54mm 21mm 27.46mm - - - - -
RS Stock No. 821-2927
Mfr. Part No.MH3101S-CAT5E
TWD226.00
Each
units
Coupler RJ45 Cat5e 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-CAT5E -
RS Stock No. 340-9630
BrandRS PRO
TWD195.00
Each
units
Coupler RJ45 Female Cat5 - STP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 768-4422
Mfr. Part No.EHRJ45P6S
TWD431.00
Each
units
Adapter RJ45 Cat6 - - - 26mm 31mm 30mm - - - - -
RS Stock No. 186-3082
BrandRS PRO
TWD244.00
Each
units
Adapter RJ11 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 625-6209
BrandRS PRO
TWD229.00
Each
units
Adapter RJ11 - - - Straight Through 18mm 45mm 28mm - - - - -
RS Stock No. 186-3048
BrandRS PRO
TWD175.00
Each
units
Coupler RJ45 Cat3 - UTP Straight Through 22.02mm 16mm 37.3mm - - - - -
RS Stock No. 875-5600
Mfr. Part No.20820010001
BrandHARTING
TWD482.00
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082001 -
RS Stock No. 186-3155
BrandRS PRO
TWD299.00
Each
units
Extender RJ11 Female, RJ11 Male Cat3 1 - - - - - - 2 m - - -
RS Stock No. 765-9084
Mfr. Part No.09454521504
BrandHARTING
TWD1,613.00
Each
units
Coupler RJ45 Plug/RJ45 Socket Cat6 1 Shielded Straight Through 500mm - - 27.9mm - - - -
RS Stock No. 821-2920
Mfr. Part No.MH3101S-8821
TWD190.00
Each
units
Coupler RJ45 - 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-8821 -
RS Stock No. 768-4416
Mfr. Part No.EHRJ45P5ERS
TWD305.00
Each
units
Adapter RJ45 Cat5e - - - 26mm 31mm 30mm - - - - -
RS Stock No. 186-3054
BrandRS PRO
TWD217.00
Each
units
Coupler RJ45 Cat3 - UTP Crossed 22.02mm 16mm 37.3mm - - - - -