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. 193-0314
Mfr. Part No.RJ45COUPLER
SGD2.47
Each
units
Inline Coupler - Cat5e - - - - - - - - - - -
RS Stock No. 741-7348
Mfr. Part No.1963490000
SGD41.61
Each
units
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS Stock No. 885-7680
Mfr. Part No.30-9344B
SGD13.01
Each
units
Coupler RJ45 Female Cat5e 1 Unshielded Straight Through 21.3mm 19mm 39.8mm - - - 30 -
RS Stock No. 782-0797
Mfr. Part No.555050-1
BrandCOMMSCOPE
SGD31.40
Each
units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 848-5440
Mfr. Part No.NKBNCMBLY
BrandPanduit
SGD10.98
Each
units
BNC Coupler Module - - - - Straight Through 32.5mm 16.3mm 21.8mm - - NKBNCM - -
RS Stock No. 203-5595
BrandRS PRO
SGD14.88
Each
units
Feedthrough Connector RJ45 Cat5e 1 Shielded - - - - - - - - -
RS Stock No. 907-5652
BrandRS PRO
SGD13.49
Each
units
- - Cat5e - UTP - - - - - - FT - -
RS Stock No. 201-0688
Mfr. Part No.COUPLK6AFS
BrandCAE Groupe
SGD22.02
Each
units
Keystone RJ45 Cat6a 1 - - - - - - - - - -
RS Stock No. 748-0737
Mfr. Part No.2859084
SGD216.88
Each
units
Adapter RJ45 Female Cat5e - - - 52.5mm 25.4mm 88mm - - D-LAN-CAT.5E-U - -
New
RS Stock No. 205-0431
BrandRS PRO
SGD19.46
Each
units
Feedthrough Connectors IDC Cat6 8 - - - - - - - CP30227 - -
RS Stock No. 443-9165
BrandRS PRO
SGD11.80
Each
units
T-Adapter RJ45 Cat5e 2 Unshielded Straight Through - - - - 170 mm - - -
RS Stock No. 885-7668
Mfr. Part No.32-2058K
SGD2.519
Each (In a Pack of 10)
units
RJ-31X Surface Jack Adapter RJ31X Female - 1 - Straight Through - - - - - - 32 -
RS Stock No. 400-9017
BrandRS PRO
SGD41.25
Each
units
T-Adapter RJ45 Cat5 2 Unshielded Straight Through - - - - 150 mm - - -
RS Stock No. 875-5654
Mfr. Part No.20821010001
BrandHARTING
SGD51.04
Each
units
Extender RJ45 - 1 - Crossed 15.6mm 13.15mm 65.7mm - - 2082 2082101 -
RS Stock No. 875-5565
Mfr. Part No.09454521561
BrandHARTING
SGD34.32
Each
units
Coupler RJ45 - 1 - - 35.9mm - - 27.9mm - Har-Port 0945452 -
RS Stock No. 916-0252
BrandRS PRO
SGD15.94
Each
units
Feedthrough Connector RJ45 Cat5e 2 FTP - - 26mm - - - FT - -
RS Stock No. 768-4416
Mfr. Part No.EHRJ45P5ERS
SGD14.00
Each
units
Adapter RJ45 Cat5e - - - 26mm 31mm 30mm - - - - -
RS Stock No. 768-4438
Mfr. Part No.EHFF2
SGD16.20
Each
units
Adapter F Connector/F Connector - - - - 26mm 31mm 21.5mm - - - - -
RS Stock No. 623-6160
Mfr. Part No.09458151100
BrandHARTING
SGD279.97
Each
units
Industrial Outlet - Cat5 - - - 105mm 105mm 40.5mm - - RJ Industrial - -
RS Stock No. 695-0223
Mfr. Part No.RJ11F71G
SGD131.66
Each
units
Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 34.9mm 34.9mm - - RJ11Field RJ11F71G -