China DOWELL INDUSTRY GROUP LIMITED company news

1. Prepare the Cable Strip about 2-3 cm (1 inch) of the outer jacket from the cable using a cable stripper. Untwist the wire pairs and arrange them according to the color-coding scheme (usually following T568A or T568B standards). 2. Insert Wires into the Krone Module Open the Krone module (if it ... Read More

Fiber optic cables are made of several key materials, each serving a specific purpose to ensure efficient light transmission and durability. 1. Core (Light Transmission Path) Material: Ultra-pure glass (silica, SiO₂) or sometimes plastic (for POF – Plastic Optical Fiber). Function: Carries light ... Read More

1. Fiber Optic Distribuction Box primarily used for fiber distribution and termination (e.g., splitting, patching, and connecting fibers). Common in FTTH (Fiber-to-the-Home), data centers, and indoor/outdoor distribution points. Often includes patch panels, splitters, and adapters for easy ... Read More

The rollout of 5G networks is driving unprecedented demand for high-performance optical fiber infrastructure. While fiber optics is the backbone of 5G, it also faces technical and economic challenges. Below, we explore the key challenges and opportunities for optical fiber in the 5G era. Challenges ... Read More

Installation Guidance 1.1 According to the construction needs open cable holes on the base, use abrasive strip to polish the cable inlet and outlet until smooth, then clean up the port with cleaner. 1.2 Clean up the cable head which need to be spliced, first put on the heat shrinkable tube, then put ... Read More

Choosing the right internet cable depends on your speed requirements, distance, and network setup. 1. Ethernet Cables (Wired Connections) Best for: Home networks, gaming, streaming, and office setups. Types: Cat 5: Up to 100 Mbps (outdated, not recommended for new setups). Cat 5e: Up to 1 Gbps, ... Read More

The main differences between fiber optic cables and copper cables lie in their construction, performance, and applications. 1. Transmission Medium Fiber Optic Cable: Uses light signals (laser/LED) through glass or plastic fibers. Consists of a core, cladding, and protective coating. Copper Cable: ... Read More

1. FTTB (Fiber to the Building) Definition: Fiber is extended to a building’s telecom room or basement, but the final connection to individual users is via copper cables (Ethernet/VDSL) or WiFi. Use Case: Common in apartment complexes, offices, and multi-dwelling units (MDUs). ISPs deploy fiber to ... Read More

What is FTTH? FTTH(Fiber to the Home) is a broadband network architecture that uses optical fiber to provide high-speed internet, voice, and video services directly to residential and business premises. Key Components of FTTH Solution 1. Optical Line Terminal (OLT) Located at the service provider's ... Read More

The installation of fiber optic closures is critical for ensuring reliable fiber optic network performance. Proper installation protects spliced fibers from environmental factors (moisture, dust, mechanical stress) and maintains signal integrity. Below are the detailed specifications for fiber optic ... Read More