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. 186-3155
BrandRS PRO
SGD14.10
Each
units
Extender RJ11 Female, RJ11 Male Cat3 1 - - - - - - 2 m - - -
RS Stock No. 878-2432
Mfr. Part No.J60020A0002
SGD107.82
Each
units
Coupler RJ45 Cat6 1 Shielded Straight Through 38mm 38mm 44.8mm - - TOC - -
RS Stock No. 400-9023
BrandRS PRO
SGD46.82
Each
units
T-Adapter RJ45 Cat5 2 Shielded Straight Through - - - - 150 mm - - -
RS Stock No. 765-9088
Mfr. Part No.09454521510
BrandHARTING
SGD67.18
Each
units
Coupler RJ45 Plug/RJ45 Socket Cat6 - - Straight Through 1.5m - - - - - - -
RS Stock No. 916-0259
BrandRS PRO
SGD20.31
Each
units
Feedthrough Connector RJ45 Cat6 2 FTP - - 26mm - - - FT - -
RS Stock No. 848-5437
Mfr. Part No.CMBAEIY
BrandPanduit
SGD23.60
Each
units
BNC Coupler Module - - - - Straight Through 45.2mm 15.4mm 18.3mm - - CMBA - -
RS Stock No. 765-9965
Mfr. Part No.PXM6033TP
BrandBulgin
SGD75.48
Each
units
Coupler RJ45 Male Cat5e - STP - 42.2mm - - 32mm - Buccaneer - -
RS Stock No. 443-9519
BrandRS PRO
SGD11.97
Each
units
T-Adapter RJ45 Cat5e 2 Shielded Straight Through - - - - 170 mm - - -
RS Stock No. 875-5641
Mfr. Part No.20821010010
BrandHARTING
SGD28.93
Each
units
Plug RJ45 - 1 - Crossed 14.4mm 18.6mm 47.35mm - - Ha-VIS preLink 2082101 -
RS Stock No. 186-3032
BrandRS PRO
SGD7.56
Each
units
Coupler RJ11 Cat3 - UTP Straight Through 22mm 16mm 37.3mm - - - - -
RS Stock No. 875-5648
Mfr. Part No.20821040001
BrandHARTING
SGD68.12
Each
units
Plug RJ45 Cat6a - STP - 22.5mm 30mm 71mm - - Ha-VIS preLink 2082104 -
RS Stock No. 765-9785
Mfr. Part No.PXP6033TP
BrandBulgin
SGD74.53
Each
units
Coupler RJ45 Socket Cat5e 2 STP Straight Through 49.2mm - - 32mm - Buccaneer 6000 -
RS Stock No. 695-0210
Mfr. Part No.RJ11F21G
SGD116.61
Each
units
Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 28.6mm 28.6mm - - RJ11Field RJ11F21G -
RS Stock No. 768-4428
Mfr. Part No.EHRJ45P6
SGD19.00
Each
units
Adapter RJ45 Cat6 - - - 26mm 31mm 30mm - - - - -
RS Stock No. 907-5665
BrandRS PRO
SGD12.71
Each
units
- - Cat6 - UTP - - - - - - FT - -
RS Stock No. 765-9084
Mfr. Part No.09454521504
BrandHARTING
SGD65.46
Each
units
Coupler RJ45 Plug/RJ45 Socket Cat6 1 Shielded Straight Through 500mm - - 27.9mm - - - -
RS Stock No. 292-8893
Mfr. Part No.TA1034P4CD
SGD19.14
Each
units
Coupler - - - - - - - - - - - - -
RS Stock No. 875-5600
Mfr. Part No.20820010001
BrandHARTING
SGD21.66
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082001 -
RS Stock No. 916-0255
BrandRS PRO
SGD12.89
Each
units
Feedthrough Connector RJ45 Cat6 2 UTP - - 26mm - - - FT - -
RS Stock No. 843-6429
Mfr. Part No.09452151107
BrandHARTING
SGD95.38
Each
units
Coupler RJ45 Male Cat5 1 UTP Straight Through 40mm - 66.6mm - - HAN 3A RJ45 0945 -