RJ Adapters, Couplers & Extensions

RJ (registered jack) adapters are devices used to convert registered jack connections from one type to another. RJ25 connectors are a standardised connection used in telecommunications applications.

What are RJ adapters used for?

RJ adapters can cover a range of purposes, depending on what type of adapter they are.

  • Couplers join two different connectors together, using two input ports
  • Extensions increase the range of transmission by adding to the length of cable
  • Adapters proper allow different connections to be joined, such as an M12 cable joining to an RJ45 connection

Types of RJ adapters

RJ adapters mainly differ in how many ports they have. They may have between one and six ports, allowing them to connect up to six cables. They can also differ in their wiring configuration, and indeed there are many different types of adapters, from feedthrough connectors to junction boxes to couplers, depending on what you need to convert between. They can be shielded or unshielded.


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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庫存編號 741-7348
製造零件編號IE-BS-V04P-RJ45-C -1963490000
BrandWeidmuller
TWD1,701.00
單位
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS庫存編號 821-2939
製造零件編號MH3101S-CAT6A
TWD421.00
單位
Coupler RJ45 Cat6a 1 STP - 16.8mm 16.1mm 30mm - - MH3101 MH3101S-CAT6A -
RS庫存編號 741-7317
製造零件編號IE-PS-RJ45-FH-BK -1963600000
BrandWeidmuller
TWD1,952.00
單位
Field Installation Plug RJ45 Cat6a 1 STP - 9.45mm 12.9mm 51.32mm - - - - -
RS庫存編號 186-3105
BrandRS PRO
TWD220.00
單位
Adapter RJ45 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS庫存編號 818-700
BrandRS PRO
TWD105.00
單位
Adapter RJ45, 9 Way D-sub Female - 1 Unshielded - 15mm 33mm 49.5mm - - - - -
RS庫存編號 186-3149
BrandRS PRO
TWD156.00
單位
Coupler RJ45 - 2 UTP Straight Through 20.55mm 14.48mm 26.96mm - - - - -
RS庫存編號 821-2936
製造零件編號MH3101-CAT6
TWD196.00
單位
Coupler RJ45 Cat6 1 UTP - 16.6mm 16.2mm 29.8mm - - MH3101 MH3101-CAT6 -
RS庫存編號 314-8161
BrandRS PRO
TWD185.00
單位
Adapter RJ45 Female, 25 Way D-sub Male - - - - 16mm 55mm 40mm - - - - -
RS庫存編號 821-2927
製造零件編號MH3101S-CAT5E
TWD195.00
單位
Coupler RJ45 Cat5e 1 STP - 18.54mm 16.13mm 27.46mm - - MH3101 MH3101S-CAT5E -
RS庫存編號 818-693
BrandRS PRO
TWD127.00
單位
Adapter RJ45, 9 Way D-sub Male - 1 Unshielded - 15mm 33mm 49.5mm - - - - -
RS庫存編號 186-3111
BrandRS PRO
TWD266.00
單位
Modular Coupler RJ45 - 2 Shielded Straight Through 18.54mm 21mm 27.46mm - - - - -
RS庫存編號 909-3714
製造零件編號NE8FDP-B
BrandNeutrik
TWD496.00
單位
Adapter RJ45 Female Cat5e 2 Unshielded - 31mm 26mm 34.55mm 24 mm - EtherCon - -
RS庫存編號 314-8155
BrandRS PRO
TWD215.00
單位
Adapter RJ45 Female, 9 Way D-sub Female - - - - 16mm 33mm 50mm - - - - -
RS庫存編號 818-665
BrandRS PRO
TWD119.00
單位
Adapter RJ11, 9 Way D-sub Female - - Unshielded - 15mm 33mm 49.5mm - - - - -
RS庫存編號 340-9630
BrandRS PRO
TWD179.00
單位
Coupler RJ45 Female Cat5 - STP Straight Through 25mm 25mm 45mm - - - - -
RS庫存編號 768-4416
製造零件編號EHRJ45P5ERS
TWD339.00
單位
Adapter RJ45 Cat5e - - - 26mm 31mm 30mm - - - - -
RS庫存編號 314-8098
BrandRS PRO
TWD195.00
單位
Adapter RJ45 Female, 9 Way D-sub Male - - - - 16mm 33mm 50mm - - - - -
RS庫存編號 314-8133
BrandRS PRO
TWD166.00
單位
Adapter RJ45 Female, 25 Way D-sub Female - - - - 16mm 55mm 40mm - - - - -
RS庫存編號 186-3076
BrandRS PRO
TWD206.00
單位
Adapter RJ11 - 2 - Straight Through 21mm 26mm 36mm - - - - -
RS庫存編號 314-8111
BrandRS PRO
TWD185.00
單位
Adapter RJ45 Female, 9 Way D-sub Female - - - - 16mm 33mm 50mm - - - - -