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. 186-3161
BrandRS PRO
SGD13.48
Each
units
Extender RJ45 Female, RJ45 Male Cat3 1 - - - - - - 2 m - - -
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. 885-7680
Mfr. Part No.30-9344B
SGD12.98
Each
units
Coupler RJ45 Female Cat5e 1 Unshielded Straight Through 21.3mm 19mm 39.8mm - - - 30 -
RS Stock No. 875-5613
Mfr. Part No.20820000002
BrandHARTING
SGD18.67
Each
units
HIFF Jack RJ45 - 1 - Crossed 15.6mm 13.15mm 41mm - - Ha-VIS preLink 2082000 -
RS Stock No. 765-9794
Mfr. Part No.PXP6033TP/E
BrandBulgin
SGD82.49
Each
units
Coupler RJ45 Male Cat5e - STP - 49.2mm - - 32mm - Buccaneer - -
RS Stock No. 400-9017
BrandRS PRO
SGD39.15
Each
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T-Adapter RJ45 Cat5 2 Unshielded Straight Through - - - - 150 mm - - -
RS Stock No. 695-0223
Mfr. Part No.RJ11F71G
SGD129.21
Each
units
Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 34.9mm 34.9mm - - RJ11Field RJ11F71G -
RS Stock No. 875-5654
Mfr. Part No.20821010001
BrandHARTING
SGD50.11
Each
units
Extender RJ45 - 1 - Crossed 15.6mm 13.15mm 65.7mm - - 2082 2082101 -
RS Stock No. 874-1263
BrandRS PRO
SGD6.20
Each
units
- - - - - - - - - - - - - -
RS Stock No. 203-5596
BrandRS PRO
SGD13.24
Each
units
Feedthrough Connector RJ45 Cat5e 1 Shielded - - - - - - - - -
New
RS Stock No. 205-0430
BrandRS PRO
SGD19.46
Each
units
Feedthrough Connectors IDC Cat6 8 - - - - - - - CP30227 - -
RS Stock No. 193-0313
Mfr. Part No.RJ45SPLITTER
BrandStartech
SGD17.33
Each
units
Splitter Cable Adapter - Cat5, Cat5e - - Straight Through 330mm - - - 330 mm - - -
RS Stock No. 333-6649
Mfr. Part No.DBFB8812
SGD38.68
Each
units
Splitter RJ45 Female, RJ45 Male Cat5e 2 Shielded - - - - - 250 mm - - -
RS Stock No. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
SGD19.11
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 625-6209
BrandRS PRO
SGD10.80
Each
units
Adapter RJ11 - - - Straight Through 18mm 45mm 28mm - - - - -
RS Stock No. 400-9001
BrandRS PRO
SGD40.87
Each
units
T-Adapter RJ45 Cat5 2 Shielded Straight Through - - - - 150 mm - - -
New
RS Stock No. 205-0431
BrandRS PRO
SGD19.46
Each
units
Feedthrough Connectors IDC Cat6 8 - - - - - - - CP30227 - -
RS Stock No. 782-0797
Mfr. Part No.555050-1
BrandCOMMSCOPE
SGD9.19
Each
units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 748-0737
Mfr. Part No.2859084
SGD212.90
Each
units
Adapter RJ45 Female Cat5e - - - 52.5mm 25.4mm 88mm - - D-LAN-CAT.5E-U - -
RS Stock No. 623-6160
Mfr. Part No.09458151100
BrandHARTING
SGD274.81
Each
units
Industrial Outlet - Cat5 - - - 105mm 105mm 40.5mm - - RJ Industrial - -