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. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
HK$102.45
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 765-9097
Mfr. Part No.09454521513
BrandHARTING
HK$395.24
Each
units
Coupler RJ45 Plug/RJ45 Socket Cat6 - - Straight Through 3m - - - - - - -
RS Stock No. 724-8953
Mfr. Part No.RJ45-PCBUNIT
HK$189.95
Each
units
PCB Unit RJ45, Screw Terminal - - - - - - - - - - - -
RS Stock No. 186-3054
BrandRS PRO
HK$53.56
Each
units
Coupler RJ45 Cat3 - UTP Crossed 22.02mm 16mm 37.3mm - - - - -
RS Stock No. 741-7317
Mfr. Part No.IE-PS-RJ45-FH-BK -1963600000
BrandWeidmuller
HK$463.19
Each
units
Field Installation Plug RJ45 Cat6a 1 STP - 9.45mm 12.9mm 51.32mm - - - - -
RS Stock No. 878-2448
Mfr. Part No.J60029A0000
HK$552.88
Each
units
Coupler RJ45 Cat6 1 Shielded Straight Through 37mm 37mm 45mm - - TOC - -
RS Stock No. 768-4438
Mfr. Part No.EHFF2
HK$82.73
Each
units
Adapter F Connector/F Connector - - - - 26mm 31mm 21.5mm - - - - -
RS Stock No. 364-4316
Mfr. Part No.SPE190688
HK$258.97
Each
units
Splitter RJ45 - 4 - - 26mm 55mm 62mm - - - - -
RS Stock No. 821-2939
Mfr. Part No.MH3101S-CAT6A
HK$114.02
Each
units
Coupler RJ45 Cat6a 1 STP - 16.8mm 16.1mm 30mm - - MH3101 MH3101S-CAT6A -
RS Stock No. 768-5538
Mfr. Part No.8901630000
BrandWeidmuller
HK$831.73
Each
units
Adapter M12 Socket/RJ45 Socket Cat5 - - - 22.3mm 22.6mm 48.5mm - - - - -
RS Stock No. 124-2520
Mfr. Part No.CLB-JL45
HK$70.80
Each
units
Adapter RJ45, Terminal Block - 8 - Straight Through - - - - - - - -
RS Stock No. 907-5656
BrandRS PRO
HK$85.11
Each
units
- - Cat5e - FTP - - - - - - FT - -
RS Stock No. 194-6794
Mfr. Part No.21.17.3043-200
BrandRoline
HK$24.25
Each
units
Modular Coupler RJ45 Cat6 2 UTP Straight - - - - - - 21.17.3043 -
RS Stock No. 695-0210
Mfr. Part No.RJ11F21G
BrandAmphenol
HK$610.01
Each
units
Adapter RJ11 Female - 6 UTP Straight Through 39.7mm 28.6mm 28.6mm - - RJ11Field RJ11F21G -
RS Stock No. 130-2310
Mfr. Part No.1419022
HK$209.57
Each
units
Coupler RJ45 Female Cat6 2 - Straight Through 23mm 28.8mm 18mm - - CUC-F-D1ZNI-S/R4GC8 - -
New
RS Stock No. 201-0688
Mfr. Part No.COUPLK6AFS
BrandCAE Groupe
HK$121.49
Each
units
Keystone RJ45 Cat6a 1 - - - - - - - - - -
RS Stock No. 194-6795
Mfr. Part No.21.17.3041-200
BrandRoline
HK$45.35
Each
units
Modular Coupler RJ45 Cat6 2 STP Straight - - - - - - 21.17.3041 -
RS Stock No. 719-1529
BrandNEUTRAL
HK$1,035.03
Each
units
- - - - - - - - - - - - - -
RS Stock No. 848-5437
Mfr. Part No.CMBAEIY
BrandPanduit
HK$129.98
Each
units
BNC Coupler Module - - - - Straight Through 45.2mm 15.4mm 18.3mm - - CMBA - -
RS Stock No. 340-9652
BrandRS PRO
HK$75.17
Each
units
Wiring Box Punch Down Cat5 2 STP Straight Through 25mm 25mm 45mm - - - - -