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. 364-4322
Mfr. Part No.SPE190689
SGD36.90
Each
units
Splitter RJ45 - 4 - - 26mm 55mm 62mm - - - - -
New
RS Stock No. 201-0688
Mfr. Part No.COUPLK6AFS
BrandCAE Groupe
SGD20.60
Each
units
Keystone RJ45 Cat6a 1 - - - - - - - - - -
RS Stock No. 364-4316
Mfr. Part No.SPE190688
SGD46.56
Each
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Splitter RJ45 - 4 - - 26mm 55mm 62mm - - - - -
RS Stock No. 802-7772
Mfr. Part No.1689268
SGD80.43
Each
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- RJ45 - - - - - - - - - VS-08-KU-IP67 - -
RS Stock No. 695-0223
Mfr. Part No.RJ11F71G
BrandAmphenol
SGD120.78
Each
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Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 34.9mm 34.9mm - - RJ11Field RJ11F71G -
RS Stock No. 124-2520
Mfr. Part No.CLB-JL45
SGD11.52
Each
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Adapter RJ45, Terminal Block - 8 - Straight Through - - - - - - - -
RS Stock No. 875-5565
Mfr. Part No.09454521561
BrandHARTING
SGD30.74
Each
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Coupler RJ45 - 1 - - 35.9mm - - 27.9mm - Har-Port 0945452 -
RS Stock No. 208-1742
Mfr. Part No.A 42-A0020
SGD21.34
Each
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Adapter RJ45 Female, RJ45 Male Cat5 - - - - - - - - - - -
RS Stock No. 875-5654
Mfr. Part No.20821010001
BrandHARTING
SGD48.65
Each
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Extender RJ45 - 1 - Crossed 15.6mm 13.15mm 65.7mm - - 2082 2082101 -
RS Stock No. 768-4438
Mfr. Part No.EHFF2
SGD16.00
Each
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Adapter F Connector/F Connector - - - - 26mm 31mm 21.5mm - - - - -
RS Stock No. 782-0794
Mfr. Part No.555051-1
BrandCOMMSCOPE
SGD8.44
Each
units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 333-6649
Mfr. Part No.DBFB8812
SGD34.16
Each
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Splitter RJ45 Female, RJ45 Male Cat5e 2 Shielded - - - - - 250 mm - - -
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. 875-5613
Mfr. Part No.20820000002
BrandHARTING
SGD17.51
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082000 -
RS Stock No. 208-1786
Mfr. Part No.1 42-111-2A
BrandMolex
SGD12.04
Each
units
Extender RJ45 - - - - - - - - 150 mm - - -
RS Stock No. 193-0313
Mfr. Part No.RJ45SPLITTER
BrandStartech
SGD16.39
Each
units
Splitter Cable Adapter - Cat5, Cat5e - - Straight Through 330mm - - - 330 mm - - -
RS Stock No. 765-9794
Mfr. Part No.PXP6033TP/E
BrandBulgin
SGD69.77
Each
units
Coupler RJ45 Male Cat5e - STP - 49.2mm - - 32mm - Buccaneer - -
RS Stock No. 782-5862
Mfr. Part No.2111121-1
BrandCOMMSCOPE
SGD20.04
Each
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RJ45 Coupler - Cat5e 2 Unshielded Straight Through 29.95mm 14.48mm 20.62mm - - - - -
RS Stock No. 768-5538
Mfr. Part No.8901630000
BrandWeidmuller
SGD150.55
Each
units
Adapter M12 Socket/RJ45 Socket Cat5 - - - 22.3mm 22.6mm 48.5mm - - - - -
RS Stock No. 885-7680
Mfr. Part No.30-9344B
SGD12.13
Each
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Coupler RJ45 Female Cat5e 1 Unshielded Straight Through 21.3mm 19mm 39.8mm - - - 30 -
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