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. 741-7348
Mfr. Part No.IE-BS-V04P-RJ45-C -1963490000
BrandWeidmuller
TWD946.00
Each
units
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS Stock No. 821-2939
Mfr. Part No.MH3101S-CAT6A
TWD412.00
Each
units
Coupler RJ45 Cat6a 1 STP - 16.8mm 16.1mm 30mm - - MH3101 MH3101S-CAT6A -
RS Stock No. 741-7317
Mfr. Part No.IE-PS-RJ45-FH-BK -1963600000
BrandWeidmuller
TWD874.00
Each
units
Field Installation Plug RJ45 Cat6a 1 STP - 9.45mm 12.9mm 51.32mm - - - - -
RS Stock No. 821-2936
Mfr. Part No.MH3101-CAT6
TWD202.00
Each
units
Coupler RJ45 Cat6 1 UTP - 16.6mm 16.2mm 29.8mm - - MH3101 MH3101-CAT6 -
RS Stock No. 186-3149
BrandRS PRO
TWD164.00
Each
units
Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 186-3105
BrandRS PRO
TWD230.00
Each
units
Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 340-9630
BrandRS PRO
TWD188.00
Each
units
Coupler RJ45 Female Cat5 - STP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 821-2927
Mfr. Part No.MH3101S-CAT5E
TWD191.00
Each
units
Coupler RJ45 Cat5e 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-CAT5E -
RS Stock No. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
TWD437.00
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 186-3111
BrandRS PRO
TWD228.00
Each
units
Modular Coupler RJ45 - 2 Shielded Straight Through 18.54mm 21mm 27.46mm - - - - -
RS Stock No. 186-3098
BrandRS PRO
TWD265.00
Each
units
Splitter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 186-3133
BrandRS PRO
TWD138.00
Each
units
Coupler RJ11 - 2 Unshielded Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 625-6209
BrandRS PRO
TWD221.00
Each
units
Adapter RJ11 - - - Straight Through 18mm 45mm 28mm - - - - -
RS Stock No. 360-7115
BrandRS PRO
TWD421.00
Each
units
Coupler RJ45 Male Cat5e - UTP Straight Through 19.6mm 23mm 32.5mm - - - - -
RS Stock No. 130-2310
Mfr. Part No.1419022
TWD816.00
Each
units
Coupler RJ45 Female Cat6 2 - Straight Through 23mm 28.8mm 18mm - - CUC-F-D1ZNI-S/R4GC8 - -
RS Stock No. 648-6674
Mfr. Part No.1689064
TWD420.00
Each
units
Modular Coupler RJ45 Cat5e 1 Shielded - 21.6mm - 34.5mm - - VS-08-BU-RJ45/BU - -
RS Stock No. 765-9034
Mfr. Part No.09454521560
BrandHARTING
TWD734.00
Each
units
Coupler RJ45 Socket/RJ45 Socket Cat6 1 Shielded - - - 35.9mm - - - - -
RS Stock No. 186-3076
BrandRS PRO
TWD217.00
Each
units
Adapter RJ11 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 340-9646
BrandRS PRO
TWD182.00
Each
units
Wiring Box Punch Down Cat5e 2 UTP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 340-9652
BrandRS PRO
TWD294.00
Each
units
Wiring Box Punch Down Cat5 2 STP Straight Through 25mm 25mm 45mm - - - - -