What are the main types of RJ11 connectors, their functions and characteristics, and the electrical performance parameters of RJ11 connectors?

RJ11 connector is a common telephone line connector, also known as registered interface (Registered Jack 11). It is commonly used to connect telephone equipment, such as telephones, fax machines and modems, in order to carry out voice communications or transmit data signals.The main types, functions, features, characteristics and electrical performance parameters of RJ11 connectors are shown below: Main types: RJ11 connectors are available in two common configurations: 4-pin and 6-pin.4-pin RJ11 connectors are used for conventional telephone equipment, where only two of the pins are used for voice signal transmission.6-pin RJ11 connectors can be used to transmit telephone and data signals. The 6-pin RJ11 connector can be used to transmit telephone and data signals, e.g. to connect a modem. Function: The RJ11 connector is used to establish a physical connection between telephone devices for telephone communication or data transfer. It provides a convenient plug-and-play interface that allows users to easily connect and disconnect telephone devices.The RJ11 connector also features a dud-proof design that ensures proper insertion into the appropriate slot. Features: 1. Miniaturized design: The RJ11 connector has a compact exterior design and is suitable for applications where space is limited.2. Convenient plug-and-play: The RJ11 connector has a plug-and-play design that enables users to easily connect and disconnect telephone equipment.3. Universal: The RJ11 connector is universal and is suitable for use with most legacy telephony equipment and modems.4. Characteristics: 1. Material: RJ11 connectors usually consist of a plastic shell and metal pins, providing good durability and electrical performance.2. Contact resistance: The contact resistance of RJ11 connectors is usually below hundreds of milliohms, ensuring good quality of electrical signal transmission.3. Insulation resistance: The insulation resistance of RJ11 connectors is usually above hundreds of megohms, ensuring effective electrical isolation and preventing Working voltage and current: The working voltage of RJ11 connectors is usually 50 volts, and the working current is about 1 amp. Electrical Performance Parameters: 1. Transmission Bandwidth: The transmission bandwidth of the RJ11 connector is usually applicable to the voice frequency range, generally 300 Hz to 3.4 kHz. 2. Signal Transmission Distance: The signal transmission distance of the RJ11 connector is usually limited to a few tens of meters, and exceeding this distance may lead to signal attenuation and distortion.

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