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
RS庫存編號 782-5865
製造零件編號2111122-1
BrandCOMMSCOPE
HK$114.56
單位
RJ45 Coupler - Cat5e 2 Shielded Straight Through 29.95mm 14.48mm 20.62mm - - - -
RS庫存編號 782-5862
製造零件編號2111121-1
BrandCOMMSCOPE
HK$100.49
單位
RJ45 Coupler - Cat5e 2 Unshielded Straight Through 29.95mm 14.48mm 20.62mm - - - -
RS庫存編號 782-0797
製造零件編號555050-1
BrandCOMMSCOPE
HK$119.20
單位
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - -
RS庫存編號 782-0794
製造零件編號555051-1
BrandCOMMSCOPE
HK$67.37
單位
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - -