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. 619-5479
Mfr. Part No.PX0839/PC
BrandBulgin
$31.55
Each
units
Coupler RJ45 Cat5e 1 - - - - 45mm 35.7mm - Buccaneer - -
RS Stock No. 821-2927
Mfr. Part No.MH3101S-CAT5E
$12.80
Each
units
Coupler RJ45 Cat5e 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-CAT5E -
RS Stock No. 186-3149
BrandRS PRO
$9.97
Each
units
Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS Stock No. 821-2923
Mfr. Part No.MH3101-CAT5E
$7.15
Each
units
Coupler RJ45 Cat5e 1 UTP - 18.54mm 16.13mm 26.96mm - - MH3101 MH3101-CAT5E -
RS Stock No. 909-3714
Mfr. Part No.NE8FDP-B
BrandNeutrik
$27.85
Each
units
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS Stock No. 340-9630
BrandRS PRO
$13.12
Each
units
Coupler RJ45 Female Cat5 - STP Straight Through 25mm 25mm 45mm - - - - -
RS Stock No. 821-2920
Mfr. Part No.MH3101S-8821
$10.03
Each
units
Coupler RJ45 - 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-8821 -
RS Stock No. 360-7115
BrandRS PRO
$23.92
Each
units
Coupler RJ45 Male Cat5e - UTP Straight Through 19.6mm 23mm 32.5mm - - - - -
RS Stock No. 340-9624
BrandRS PRO
$16.30
Each
units
Coupler RJ45 Female Cat5 - UTP Straight Through 17.3mm 16.3mm 28mm - - - - -
RS Stock No. 741-7326
Mfr. Part No.1018790000
$61.59
Each
units
Coupler RJ45 Cat6a 2 STP - - - 34.7mm 30mm - - - -
RS Stock No. 619-5491
Mfr. Part No.PX0839/IDC
BrandBulgin
$80.59
Each
units
Coupler RJ45 Cat5e 1 Shielded - 37.7mm 42mm 45mm - - Buccaneer - -
RS Stock No. 821-2939
Mfr. Part No.MH3101S-CAT6A
$27.30
Each
units
Coupler RJ45 Cat6a 1 STP - 16.8mm 16.1mm 30mm - - MH3101 MH3101S-CAT6A -
RS Stock No. 111-6746
BrandRS PRO
$31.70
Each
units
Coupler RJ45 Female - 1 Shielded Straight Through - 29.1mm 38.2mm - - GTC Sealed GTC Sealed -
RS Stock No. 821-2911
Mfr. Part No.MH3101-8821
$5.19
Each
units
Coupler RJ45 - 1 UTP - 18.54mm 16.13mm 26.96mm - - MH3101 MH3101-8821 -
RS Stock No. 208-1786
Mfr. Part No.1 42-111-2A
$14.20
Each
units
Extender RJ45 - - - - - - - - 150 mm - - -
RS Stock No. 885-8116
Mfr. Part No.30-1008KUL
$3.264
Each (In a Pack of 10)
units
Coupler - - 1 Unshielded Straight Through 22.5mm 17mm 37.5mm - - - 30 -
RS Stock No. 186-3111
BrandRS PRO
$25.27
Each
units
Modular Coupler RJ45 - 2 Shielded Straight Through 18.54mm 21mm 27.46mm - - - - -
RS Stock No. 186-3082
BrandRS PRO
$13.52
Each
units
Adapter RJ11 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS Stock No. 885-7696
Mfr. Part No.30-9242
$19.44
Each
units
Coupler RJ45 Female Cat5e 1 Shielded Straight Through 25mm 23.5mm 47mm - - - 30 -
RS Stock No. 765-9031
Mfr. Part No.09455451560
BrandHARTING
$43.82
Each
units
Coupler RJ45 Socket/RJ45 Socket Cat6 - Shielded - 13.25mm 15.7mm 34.5mm - - - - -