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. 875-5600
Mfr. Part No.20820010001
BrandHARTING
SGD21.52
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082001 -
RS Stock No. 695-0210
Mfr. Part No.RJ11F21G
SGD74.58
Each
units
Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 28.6mm 28.6mm - - RJ11Field RJ11F21G -
RS Stock No. 292-8893
Mfr. Part No.TA1034P4CD
SGD15.55
Each
units
- - - - - - - - - - - - - -
RS Stock No. 848-5437
Mfr. Part No.CMBAEIY
BrandPanduit
SGD16.38
Each
units
BNC Coupler Module - - - - Straight Through 45.2mm 15.4mm 18.3mm - - CMBA - -
RS Stock No. 208-1786
Mfr. Part No.1 42-111-2A
BrandMolex
SGD11.08
Each
units
Extender RJ45 - - - - - - - - 150 mm - - -
RS Stock No. 878-2448
Mfr. Part No.J60029A0000
SGD96.39
Each
units
Coupler RJ45 Cat6 1 Shielded Straight Through 37mm 37mm 45mm - - TOC - -
RS Stock No. 201-0688
Mfr. Part No.COUPLK6AFS
BrandCAE Groupe
SGD19.75
Each
units
Keystone RJ45 Cat6a 1 - - - - - - - - - -
RS Stock No. 875-5565
Mfr. Part No.09454521561
BrandHARTING
SGD31.66
Each
units
Coupler RJ45 - 1 - - 35.9mm - - 27.9mm - Har-Port 0945452 -
RS Stock No. 364-4316
Mfr. Part No.SPE190688
SGD51.20
Each
units
Splitter RJ45 - 4 - - 26mm 55mm 62mm - - - - -
RS Stock No. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
SGD17.48
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 782-0797
Mfr. Part No.555050-1
BrandCOMMSCOPE
SGD8.83
Each
units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 174-1786
Mfr. Part No.09454521509
BrandHARTING
SGD55.59
Each
units
Port RJ45 RJ45 Plug/RJ45 Socket Cat6 1 Shielded Straight Through 1m - - 27.9mm - Har-Port - -
RS Stock No. 741-7348
Mfr. Part No.1963490000
SGD35.33
Each
units
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS Stock No. 768-5538
Mfr. Part No.8901630000
SGD132.48
Each
units
Adapter M12 Socket/RJ45 Socket Cat5 - - - 22.3mm 22.6mm 48.5mm - - - - -
RS Stock No. 333-6627
Mfr. Part No.DPMB8812
SGD68.51
Each
units
Splitter RJ45 Female, RJ45 Male Cat5e 3 - - 14mm 37mm 48mm - - - - -
RS Stock No. 193-0314
Mfr. Part No.RJ45COUPLER
BrandStartech
SGD2.28
Each
units
Inline Coupler - Cat5e - - - - - - - - - - -
RS Stock No. 875-5604
Mfr. Part No.20820010002
BrandHARTING
SGD17.81
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082001 -
RS Stock No. 885-7668
Mfr. Part No.32-2058K
SGD2.414
Each (In a Pack of 10)
units
RJ-31X Surface Jack Adapter RJ31X Female - 1 - Straight Through - - - - - - 32 -
RS Stock No. 768-4434
Mfr. Part No.EHFW800X2
SGD34.93
Each
units
Coupler FW800 Connector/FW800 Connector - - UTP Crossed 26mm 31mm 45mm - - - - -
RS Stock No. 498-2962
Mfr. Part No.09458451500
BrandHARTING
SGD111.67
Each
units
RJ Industrial Outlet Push Pull - - - - - 173mm 69mm 90mm - - RJ Industrial - -
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