RJ
RJ Connectors｜The Standard Interface for Communication & Networking
Product Overview
RJ (Registered Jack) connectors are modular interfaces widely used in telecommunication, Ethernet networking, and data transmission. Common types include RJ11 (telephone), RJ45 (network), and RJ50 (industrial control), offering high compatibility, easy installation, and cost efficiency.
Common Types & Applications
| Type | Pin Count | Typical Use Cases |
| RJ9/RJ10/RJ22 | 4P4C | Telephone handsets, headsets |
| RJ11/RJ12 | 6P2C/6P4C/6P6C | Landline phones, ADSL modems |
| RJ45 | 8P8C | LAN (Ethernet), routers, switches |
| RJ50 | 10P10C | Industrial controllers, serial devices |
Technical Features
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Modular Design: Standardized dimensions for easy plug-and-play
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Multiple Pin Configurations: Available in 4P4C, 6P6C, 8P8C, 10P10C formats
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High Compatibility: Works with twisted pair cables, phone lines, and control wires
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Magnetic Module Options: Certain RJ45 models include integrated magnetics for enhanced signal integrity and EMI protection.
Application Scenarios
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Networking Devices: Routers, switches, network cards
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Telecommunication Systems: Telephones, VoIP gateways, PBX systems
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Industrial Control: PLCs, sensors, serial communication modules
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Smart Home: IP cameras, smart speakers, network printers
