E-link China Technology Co.,LTD

Industrial scenarios have extremely strict requirements for the stability and anti-interference performance of network power supply. Traditional power supply methods are difficult to adapt to complex environments such as vibration and wide temperature ranges.It is widely used in rail transit trains, vehicle-mounted mobile devices, subway stations and industrial automation sites, providing power for PoE devices such as IP cameras, wireless APs, and vehicle terminals. The E-link LNK-INJ301-M12 is an Industrial PoE Injector that complies with the EN50155 standard. It is specially designed for harsh conditions such as rail transit and vehicles, and realizes stable power supply and data transmission through the M12 interface and wide voltage input, providing a highly reliable integrated power supply solution for industrial PoE equipment. Product Definition LNK-INJ301-M12 is an EN50155-certified single-port Gigabit Industrial PoE Injector. It supports the IEEE 802.3af/at standard and uses the M12 interface. It has a 12–48V wide-voltage DC input and the maximum output of a single port is 30W. It can simultaneously transmit data and power, and is suitable for scenarios where non-PoE switches in industrial sites supply power to PoE terminals, meeting the high-reliability power supply requirements in environments with strong vibrations and wide temperature ranges. Working Principle This Industrial PoE Injector is connected to a 12–48V power supply through the DC input terminal. It performs voltage conversion and intelligent detection internally and only starts supplying power after identifying a valid PoE power receiving device signature, thus avoiding damage to non-PoE devices. Data and power are output synchronously through the M12 interface. It supports 10/100/1000Base-TX adaptive full/half-duplex transmission and has surge and ESD protection to ensure stable operation under electromagnetic interference and voltage fluctuations. Installation and Usage Steps Equipment Fixation: Select the standard guide rail or wall-mounted bracket, and securely install it in the control cabinet or equipment compartment to ensure proper heat dissipation and shock resistance. Power Connection: Use the 4-pin M12A-coding connector. Connect the + terminal to the 1st pin, the – terminal to the 3rd pin, and the GND terminal to the 2nd or 4th pin. Connect to a 12–48V DC power supply. Network Connection: Connect the uplink to the switch, and the downlink to IP cameras, APs, etc. using the 8-pin M12A-coding (X-coding is optional). Connect according to the pin definitions. Power On Check: A constantly lit power indicator indicates normal power supply. A PoE indicator light on means the detection is successful and power supply has begun. Key Features and Importance This Industrial PoE Injector is designed with industrial standards to ensure continuous operation in extreme environments. It features a wide temperature range of -40°C to 80°C, an aluminum casing for shock resistance, M12 locking connection, and is suitable for rail transit and vehicle-mounted applications. It complies with certifications such as EN50155 and FCC Class A, and offers 1KV network ports, 500V power surge protection, and 4KV/8KV electrostatic protection. It includes intelligent PoE detection, gigabit line speed, 30W full-power output, dual installation options of DIN rail/wall mount, and intuitive LED status display, significantly enhancing wiring efficiency and system availability. Typical Application Scenarios The M12 interface is resistant to vibration and shock, and is compatible with wide voltage for vehicle fluctuating power supply. It complies with EN50155 and meets locomotive certification requirements, making it an ideal PoE power supply choice for mobile vehicles and harsh industrial environments. The LNK-INJ301-M12 features high stability, strong compatibility and industrial-level protection, addressing the challenges of PoE power supply in harsh environments. It strikes a balance between safety, efficiency and ease of deployment, providing a durable and reliable power supply solution for rail transit, vehicle-mounted and industrial networks. It is the preferred Industrial PoE Injector for high-demand industrial scenarios.

In scenarios such as industrial security and enterprise wireless networking, non-PoE switches cannot directly supply power to PoE terminals, and long-distance wiring also faces the dual challenges of power supply and data transmission. The E-link LNK-INJ301-30 12-48V DC input industrial gigabit PoE+ injector is specially designed for harsh industrial environments. It can efficiently solve the problems of power supply and simultaneous data transmission, providing reliable support for the stable operation of network equipment. Product Definition LNK-INJ301-30 is an industrial ruggedized gigabit PoE+ injector with wide voltage input. It is compatible with the IEEE 802.3af/atPoE power supply standard and can integrate power and Ethernet data signals for output. This PoE Injector enables non-PoE switches to directly drive PoE cameras, wireless APs, IP phones, and other terminal devices. It is a core supporting device for industrial network power supply. Working Principle This PoE Injector is connected to a 12-48VDC wide-voltage power source through the terminal block, and simultaneously acquires the Ethernet signal of the switch from the RJ45 data input port. Internally, it adopts a full-foot power supply design, integrating the power and the gigabit data signal without interference, and then synchronously transmits them to the terminal device through the PoE output port. The maximum transmission distance can reach 100 meters. The power supply pins are defined as pins 1 and 2 as the positive pole, pins 3 and 6 as the negative pole, pins 4 and 5 as the positive pole, and pins 7 and 8 as the negative pole. The full-foot synchronously outputs power, and throughout the process, it does not affect the 10/100/1000Base-TX gigabit data transmission. It can automatically identify the power-consuming devices that comply with the IEEE802.3af/at standard, ensuring stable and efficient power supply and data transmission. Installation and Usage Installation Bracket: The equipment is pre-installed with a DIN rail bracket. The packaging includes a wall-mounted bracket, and the installation method can be switched according to the scene. Power Connection: Connect a 12-48VDC DC power supply to the power interface of the equipment terminal block. Data Connection: Use an Ethernet cable of Category 5 or higher to connect the RJ45 data port to the network port of the non-PoE switch. Device Connection: Use the same specification Ethernet cable to connect the PoE output port to the IP camera, wireless AP, and other PoE devices. Power On Test: After powering on, check the power and PoE working status through the LED indicator lights. If the indicator lights are normal, the deployment is completed. Core Value and Key Features This industrial PoE Injector boasts extremely strong environmental adaptability and industrial-level protection capabilities. It can operate within a wide temperature range of -40°C to 80°C, suitable for harsh environments with both high and low temperatures. The aluminum alloy metal casing enhances anti-interference and durability. It supports gigabit network transmission, with a maximum output power of 30W per port, meeting the power supply requirements for high-power PoE devices. This PoE Injector is compatible with a wide voltage range of 12-48VDC, adapting to various power supply solutions in industrial settings. Additionally, it features 1KV surge protection for the network port, 500V surge protection for the power supply, and 4KV/8KVESD protection. The MTBF exceeds 200,000 hours. Equipped with LED diagnostic indicators, it enables quick fault detection. The DIN rail and wall-mounted dual installation methods also make deployment more flexible, significantly reducing the cost and maintenance difficulty of industrial network cabling. Application Scenarios This PoE Injector is widely applicable in scenarios such as industrial security monitoring, enterprise wireless coverage, and communication terminal deployment. It can support the stable operation of terminals including IP cameras, CCTV security transmission equipment, wireless APs, and IP phones. Whether in factory workshops, outdoor monitoring points, or office networking scenarios, it can achieve power supply and synchronous data transmission, ensuring the continuous and reliable operation of the equipment. The LNK-INJ301-30 industrial PoE injector, with its core advantages of wide voltage input, industrial reinforcement, gigabit transmission, and high power output, has become the preferred solution for industrial network power supply. It can effectively simplify wiring, enhance equipment stability, and provide safe and efficient power supply and data transmission guarantees for various PoE terminal devices.

Industrial networks have extremely high requirements for power supply stability and data transmission reliability. The traditional independent wiring method is complex to construct and has poor anti-interference ability. The E-link LNK-INJ302 industrial 2-port gigabit PoE+ power supply unit is specially designed for harsh industrial environments. With wide voltage input, high power output and strong protection features, this trustworthy PoE device efficiently solves the power supply problem for non-PoE switches connecting to PoE devices, providing reliable support for the stable operation of industrial networks. What is the product? LNK-INJ302 is an industrial 2-port Gigabit PoE+ power supply with a 12-48VDC wide-voltage input. This trustworthy PoE device is compatible with the IEEE 802.3af/at standard and can convert the Ethernet signal of a common non-PoE switch into a data and power integrated PoE output. Without the need for additional wiring, it can supply power to PoE terminals, making it a core device for simplifying network deployment and enhancing power reliability in industrial scenarios. Working Principle This trustworthy PoE device receives the gigabit Ethernet signal from a non-PoE switch through the RJ45 data port. It internally integrates the signal and power, and synchronously outputs data and DC power through the PoE output port. This trustworthy PoE device adopts the Alternative B mode (4/5-core positive pole, 7/8-core negative pole) for power supply, with a maximum output power of 60W per port and a total PoE power of no more than 60W for the entire device. It can achieve stable transmission within 100 meters using Cat5 or higher network cables, and is compatible with a wide range of industrial power supply conditions through its wide-voltage DC input. Installation and Usage Steps Power Connection: Connect a 12-48VDC industrial power supply to the input port of the equipment terminal block; Data Connection: Use a network cable to connect the two data RJ45 ports to the corresponding ports of the non-PoE switch; Terminal Power Supply: Connect the PoE output port to the PoE devices such as IP cameras and wireless APs through a network cable; Equipment Installation: Use DIN rails or wall mounting methods to complete the equipment installation; Power On Test: Connect the power supply and check the power and PoE working status through the LED indicator lights. Importance and Key Features The industrial environment often encounters issues such as wide temperature ranges, voltage fluctuations, and electromagnetic interference. Stable power supply is the prerequisite for a smooth network. The LNK-INJ302 has a wide temperature operating range of -40°C to 80°C, a 12-48VDC wide voltage input that is compatible with industrial power supplies, a single port with a 60W high power to meet the requirements of high-power PoE devices, supports 10/100/1000Base-T gigabit bidirectional transmission. This trustworthy PoE device is equipped with 1KV surge protection at the RJ45 port and 4KV/8KV ESD protection, has an aluminum casing that is sturdy and durable, and has dual installation methods of DIN rail/wall mounting suitable for various scenarios. The LED indicator light facilitates PoE fault diagnosis, with an MTBF (Mean Time Between Failures) of over 200,000 hours, providing comprehensive protection for the equipment to operate stably for a long time. Application Scenarios This trustworthy PoE device is widely used in industrial monitoring, intelligent manufacturing, warehousing and logistics, outdoor industrial sites, etc. It provides integrated power supply and data transmission for PoEIP cameras, industrial wireless APs, IP phones, industrial Ethernet terminals, etc. This trustworthy PoE device is suitable for harsh environments such as factory workshops, substations, and remote industrial locations, simplifying wiring processes, reducing construction costs, and significantly improving the efficiency and stability of industrial network deployment. The LNK-INJ302 industrial 2-port Gigabit PoE+ power supply, with its wide voltage compatibility, high power output, strong industrial protection and convenient deployment features, perfectly meets the power supply requirements of complex industrial environments, effectively addressing the pain points of traditional wiring, and is a reliable power supply solution in the industrial network digitalization upgrade process.

Industrial scenarios and outdoor networking have extremely strict requirements for the power supply capacity, environmental adaptability and transmission stability of equipment. They need to meet the power demands of high-power terminals and operate continuously in extreme temperatures and strong interference environments. The E-link LNK-IMC205GHP-SFP industrial 2 optical 5 electrical 90W PoE switch is a dedicated network device specifically developed to meet these needs. With high-power PoE, industrial protection and gigabit stable transmission, it has become the core support for industrial networking. Product Definition The E-link LNK-IMC205GHP-SFP is an industrial Gigabit 90W PoE Switch, equipped with 5 Gigabit RJ45 electrical ports and 2 dual-rate SFP optical ports. Among the 4 electrical ports, 3 support the IEEE 802.3bt PoE++ standard, with a single port capable of delivering a maximum output power of 90W. The overall PoE budget of the device can reach 360W. The 90W PoE Switch features an IP40 protective metal casing, a fanless cooling design, and is capable of operating in a wide temperature range of -40°C to 80°C. It is compatible with DIN rail installation and is specifically designed for harsh industrial environments, serving as an integrated device for high-power power supply and network switching. Working Principle This 90W PoE Switch employs Ethernet power supply and data synchronous transmission technology. It transmits gigabit network data and DC power simultaneously through the four pairs of cores of standard Cat5e/6 network cables, enabling the simultaneous transmission of data and power supply. The device automatically detects and identifies the power-receiving devices, allocating power only to compliant PoE terminals. Non-PoE devices only transmit network data, ensuring secure connection. The 2 SFP optical ports support 100/1000X adaptive fiber optic access, and are paired with a 14Gbps non-blocking switching architecture to complete the access of electrical port terminals and long-distance fiber uplink, ensuring efficient and stable data forwarding. Installation and Usage Equipment Installation: Fixed using DIN rail snap-in method. The body size is 95×88×46mm. It is small and lightweight, and can be quickly installed on industrial cabinets or equipment brackets. Power Supply Connection: Connect to 48~57VDC redundant power supply. The device is equipped with reverse polarity protection and overload automatic reset function, ensuring safe and stable power supply. Port Wiring: 4 PoE electrical ports connect to high-power power-receiving devices, 1 ordinary electrical port is used for local network expansion, and 2 SFP optical ports are connected to optical modules to achieve long-distance transmission. Status Monitoring: Through the PWR, L/A, PoE, and FX indicator lights on the body, real-time monitoring of power supply, link, PoE working status, and fiber optic connection conditions can be achieved. Importance and Key Features This 90W PoE Switch boasts a high-power PoE power supply capability, which can perfectly support high-power devices such as high-definition dome cameras and digital signage. It eliminates the need for independent power supply wiring, significantly reducing construction and operation costs. With industrial protection, wide temperature operation range, and a fanless design, the equipment can operate stably in high humidity, high electromagnetic interference, and extreme temperature environments, suitable for various demanding scenarios. 14Gbps non-blocking switching, 4K MAC address table ensure smooth network transmission. Redundant power supply, anti-ESD/EFT interference features, etc., further enhance the stability and continuity of the industrial network, making it a key device for ensuring the uninterrupted operation of industrial business. Application Scenarios This 90W PoE Switch is widely used in fields such as security monitoring, factory automation, smart transportation, energy and water conservancy, commercial retail, etc. In outdoor security monitoring, it supplies power to high-definition pan-tilt cameras and transmits data. In factory production lines, it provides stable networking for PLCs and sensor terminals. In smart traffic intersections, this 90W PoE Switch is adapted for ETC and outdoor operation of information display screens. In harsh environments such as energy, water conservancy, oil and gas, and mining, the high protection features ensure the network remains unobstructed. In commercial scenarios, it simplifies wiring for POS machines and integrated touch-screen devices, thereby enhancing deployment efficiency. In commercial scenarios, it simplifies wiring for POS machines and integrated touch screens to improve deployment efficiency. The E-link LNK-IMC205GHP-SFP industrial 90W PoE switch integrates high-power power supply, industrial durability and convenient deployment advantages, precisely meeting the networking and power supply requirements of various harsh environments, effectively reducing construction and maintenance costs, and is an ideal choice for network construction in industrial, security, transportation and other scenarios.