E-link China Technology Co.,LTD

In scenarios such as weak current engineering, security monitoring and miniaturized networking, traditional optical Converters often encounter problems like large size, inconvenient power supply and limited transmission distance. The E-link LNK-M3011PD-SFP micro SFP optical converter, with its gigabit adaptive, dual power supply and ultra-portable design, achieves efficient conversion of electrical signals and optical signals, providing a reliable solution for long-distance and compact network deployment. What is the Miniature PoE-Powered SFP Converter LNK-M3011PD-SFP is a gigabit adaptive micro PoE receiving SFP optical fiber converter. It strictly follows the standards of IEEE802.3, IEEE802.3u, and IEEE802.3z, capable of performing bidirectional conversion between 10/100/1000Base-T electrical signals and 100/1000Base-X optical signals. It supports PoE receiving and Type-C dual power supply modes, and is a lightweight and highly integrated network transmission device. Working Principle The product utilizes switching technology to achieve media conversion. The RJ45 port automatically adapts to the rate of twisted-pair cables, while the SFP port intelligently identifies 100M/1G optical modules. It can be powered by a PoE switch/power supply or a Type-C 5~15V DC power supply. The 100-meter transmission distance of the copper cable can be extended to a maximum of 120 kilometers via optical fiber, and it is compatible with multi-mode, single-mode dual-fiber/single-fiber transmission, meeting the long-distance networking requirements of different scenarios. Installation and Usage Insert the matching SFP optical module and connect the corresponding optical fiber lines; Connect the RJ45 port to the terminal device using an Ethernet cable of Category 5/6 standard; Select IEEE 802.3at PoE power supply or Type-C 5-15V direct current power supply; Check the PWR, TX, FX/ACT indicator lights. If they are all on normally, the device can be put into use. Importance and Key Features This product overcomes the transmission distance limitation of copper cables, solves the power supply problem in scenarios without strong electricity, and is suitable for deployment in narrow spaces. The core features include: adaptive gigabit rate, support for 9K giant frames; flexible switching between dual power supply modes; aluminum body size of 78×27×18mm, weighing only 46g, with efficient heat dissipation; power consumption is less than 3W, MTBF reaches 100,000 hours, and supports multi-wavelength optical modules of 850nm/1310nm/1550nm. Application Scenarios It is widely used in scenarios such as security monitoring, weak current engineering, short-distance interconnection in computer rooms, outdoor temporary networking, extension of office and industrial networks, etc. It is particularly suitable for compact deployment environments such as inside cabinets, weak current shafts, and outdoor power-free locations. Why Choose Our Products E-link specializes in the research and development of network communication equipment. Our products are compliant with standards and have stable performance. This miniature converter, with its ultra-small size, dual power supply flexibility, and long-distance transmission capability, solves the three core pain points of deployment space, power supply, and distance in one package, making it an excellent choice for all-scenario gigabit network expansion. The E-link LNK-M3011PD-SFP miniature PoE-powered SFP optical fiber converter combines portability, stability and practicality, providing an efficient and convenient solution for various gigabit network transmission scenarios. It helps users easily achieve long-distance network expansion and compact deployment.

The E-link LNK-109M mini 4K HDMI Fiber Extender is a single-core multi mode fiber extender specifically designed for long-distance 4K HDMI 2.0 high-definition audio and video transmission. With its ultra-compact body design and stable lossless transmission performance, it solves the interference and picture quality loss problems of traditional copper cable transmission, making it a cost-effective choice for commercial and civilian high-definition audio and video transmission. Product Positioning This product is a miniaturized 4K/60Hz HDMI 2.0 single-core multi mode Fiber Extender launched by E-link. It consists of the transmitting end (TX) and the receiving end (RX), and must be used in pairs. The overall size is only 57x16x14mm and weighs 0.1kg. It can be directly plugged into devices for use. The product complies with the RoHS compliant lead-free standards of both Europe and China. The core function is to achieve long-distance transmission of uncompressed and lossless HDMI 2.0 signals through OM4 multi mode optical fibers, and it is an integrated HDMI optical module device. Importance and Key Features The core value lies in breaking through the limitations of copper cable transmission, achieving high-definition transmission without RFI/EMI electromagnetic interference and without image quality loss, and ensuring 4K high-definition quality even at a distance of 300 meters. Key features are prominent: supports 4K@60Hz 4:4:4 full color gamut, 18Gbps high-speed transmission; adopts WDM technology, a single-core OM4 multi mode optical fiber can transmit high-definition audio and video; transmits EDID, HDCP, CEC protocols, compatible with mainstream audio formats such as Dolby and DTS; wide temperature range operation (-20℃ to 70℃), plug-and-play without debugging, supports hot swapping, suitable for complex usage environments. Working Principle The product uses an 850nm wavelength as the transmission carrier. The transmitting end converts the HDMI signal into a 18Gbps serial data stream and transmits it through the LC optical port in a single-core OM4 multi mode optical fiber. The design of TMDS signal fiber transmission significantly enhances the anti-interference capability. At the receiving end, the serial data stream is restored to the HDMI signal. The entire process is without copper conductors, fundamentally avoiding signal loss and electromagnetic interference, ensuring the stability of audio and video transmission. Installation Tips This device does not require complex setup. The TX end can draw power from the HDMI interface of the source end. If the device’s power supply is insufficient, an external 5V power supply can be used. The RX end needs to be connected to an external 5V power supply via a Micro USB connector. Just connect the LC optical ports at both ends with a single-core OM4 multi mode optical fiber to complete the deployment. It supports hot swapping and no additional debugging is required; it can be plugged in and used immediately. Application Scenarios Thanks to its high-definition transmission and portability features, the product is widely applicable to three core scenarios: large-screen display for large venues, professional conference systems, and home entertainment. It can meet the long-distance audio and video transmission requirements for large-screen displays in shopping malls, high-definition video conferences in enterprises, and 4K audio-visual equipment in households. The E-link LNK-109M mini 4K HDMI Fiber Extender features a compact design, 300-meter lossless high-definition transmission, strong anti-interference capability, and easy installation. It strikes a balance between the stability of commercial scenarios and the ease of use in civilian scenarios, making it an excellent solution for cross-scenario high-definition audio and video transmission. It also provides efficient technical support for audio and video transmission in fields such as large-screen displays and conference systems.

In the field of long-distance transmission of high-definition audio and video, the E-link LNK-MHD series 1-channel micro SDI optic extender is a professional transmission device specifically designed for HD-SDI signals. With its miniaturized design and high stability, it has become the core adaptation solution in the fields of security monitoring and broadcasting, perfectly solving the attenuation and distortion problems in SDI signal transmission, and achieving uncompressed transmission of broadcast-level audio and video signals without compression. Product Positioning This device is a 1-channel HD-SDI optical extender, consisting of an transmitting end and a receiving end. It needs to be used in pairs and comes in two models: LNK-MHD-MM (multi-mode, 550m transmission) and LNK-MHD-20 (single-mode, 20km transmission). It is equipped with an aluminum casing, with a size of 79×27×18mm and a weight of 0.5KG per pair. It is a miniaturized device, which can be easily integrated into other devices. The core function is to achieve optical transmission of 1 channel of HD-SDI video signal (embedded 8-channel audio), compatible with SD-SDI/HD-SDI standards, and is a dedicated hardware for high-definition audio and video transmission. Core Value and Key Features Its core value lies in breaking through the transmission distance limit of SDI electrical signals, ensuring signal integrity and transmission quality, and meeting the high standards of professional fields. Key features are prominent: full-digital non-compressed broadcast-level transmission, supporting automatic re-timing and cable equalization from 270Mbit/s to 1.48Gbit/s; industrial-grade wide temperature range (-20℃~+70℃), suitable for various complex environments; supports hot swapping, hot exchange, LC single-fiber interface, with excellent optical dynamic range and no need for debugging; low power consumption

In scenarios where high-definition audio and video as well as control signals need to be transmitted over long distances, issues such as signal attenuation and interference often affect the transmission quality. The E-link LNK-DVI-1D1BA DVI Fiber Optic Extender, as a professional fiber optic extender product, realizes the integrated transmission of DVI video, bidirectional stereo audio, and RS232 control signals through a single fiber. With stable performance and high compatibility, it has become the preferred solution for various long-distance signal transmission scenarios. What is it The E-link LNK-DVI-1D1BA is a Fiber Optic Extender that integrates DVI video, 1 channel of bidirectional stereo audio, and 1 channel of RS232 signal transmission. It is developed by E-link China Technology. Its core function is to extend various signals through a single fiber, compatible with DVI 1.0 and HDCP 1.2 standards, and can automatically match the signal source and display device. It is an integrated signal transmission device suitable for commercial and industrial scenarios. Importance and Key Features The core value of this product lies in solving the distance limitations and interference problems of traditional electrical signal transmission, achieving lossless long-distance transmission of high-definition signals, and meeting the requirements of high-resolution and multi-signal synchronization transmission scenarios. Its key features are prominent: under single-fiber transmission, single-mode fiber can reach up to 80km, and multi-mode fiber ≤ 500m; supports the highest resolution of 1920×1200@60Hz, and is specially adapted for 1600×1200@60Hz; equipped with a 3.5mm stereo audio interface and 3-pin RS232 terminal block, with RS232 baud rate ≤ 115200; built-in ESD protection and image automatic adjustment system to ensure stable transmission, and DC5V power supply, with the maximum power consumption being only 4W, capable of operating in a wide temperature range of -20°C to +70°C. Working Principle and Installation Tips In terms of working principle, the product is divided into the transmitting end and the receiving end. The transmitting end collects DVI, audio, and RS232 electrical signals and converts them into optical signals through the SFPLC interface for transmission through a single fiber. The receiving end then restores the optical signals to electrical signals and outputs them synchronously to the corresponding display and control devices. The built-in system can automatically match the signal parameters, ensuring clear and stable images. Installation follows a simple principle, designed as plug-and-play; the DVI cable length should be controlled within 5 meters to avoid signal attenuation; the fiber interface should be distinguished as single-mode/multi-mode corresponding to 850nm/1310nm/1550nm wavelengths; audio and RS232 should be connected according to the device identification, with DC5V power supply directly connected, without complex configuration. Application Scenarios This optical Extender is suitable for various scenarios that require long-distance synchronous transmission of high-definition signals and control signals. The core includes remote signal expansion of computer display systems, remote control of RS232 controllers in industrial fields, signal transmission of commercial audio and video playback systems, and also can be adapted to scenarios with requirements for signal transmission stability and distance in security monitoring, conference systems, etc. The E-link LNK-DVI-1D1BA DVI Fiber Optic Extender, with the core advantage of single-fiber multi-signal transmission, combines high resolution, high compatibility, and easy installation, perfectly solving the pain points of long-distance transmission of high-definition audio and video and control signals. Its compact body (120x83x28mm) and stable performance make it highly adaptable in industrial, commercial, and other scenarios, and is a cost-effective choice for long-distance signal transmission.