FTTH fiber-to-the-home solutions
Optical communication component solutions

Demshi Investments Open Access Fibre Network

Browse technical resources about optical communication components, fiber technology, and network solutions.

  • Disable external network access from the switch

    Disable external network access from the switch

    Navigate to the Dashboard network containing the switch (es) to be configured. Set Isolation to “enabled” in the configuration. An Access Control List (ACL) consists of one rule or a set of rules that describe the packet matching conditions. These conditions include source addresses, destination addresses, and port numbers of packets. An ACL filters packets based on rules. The configuration roadmap. If you want to disable the web user interface (UI) and use only the command line interface (CLI) to manage the switch in your network, you have come to the right place. The Hypertext Transfer Protocol (HTTP) and Hypertext Transfer Protocol Secure (HTTPS) can be disabled in the 220, 250, 300, 350. Windows 10 provides several ways to disable your internet connection while keeping your LAN or local network interface operational. Before diving into the. But now I need to block access to the router. Port scan of public ip shows 22, 80, 443, and 1720 open.

    [PDF Version]
  • Switch Network Access Authentication

    Switch Network Access Authentication

    This chapter describes how to configure IEEE 802. 1x authentication prevents unauthorized devices (clients) from gaining access to the network. Unless otherwise noted, the term switch refers to a standalone switch or a. Network authentication protocols address this by managing access, enforcing dynamic policies, and integrating with tools like firewalls, NAC, and zero-trust frameworks to enhance security and control. Read this topic for more information.


  • Industrial Network Cabinet Organization Process

    Industrial Network Cabinet Organization Process

    This guide provides essential best practices for server rack setup and organization, covering steps for effective installation, cable management, standards compliance, power distribution, cooling methods, and security measures. – Sarah Chen, Senior Network Engineer at TechFlow Solutions Studies consistently show that organized cabling enhances airflow, making systems up to 20-30% more energy-efficient by reducing cooling needs. Common technologies and protocols used in ICS plant floor networking include:Ethernet/IP, PROFINET, Modbus TCP/IP, DeviceNet, CIP (Common Industrial Protocol), and PTP. The EtherNet/IPTM In-cabinet Solution is designed to address these needs streamlining wiring, saving panel space, and making setup a breeze. Ethernet capability allows for easy integration between your IT (Information Technology) and OT (Operational Technology) systems. In addition to the network architecture this document offers basic understanding of the security standard IEC 62443 and illustrates necessary steps to apply Cybersecurity.

    [PDF Version]
  • How to remove the network module from the cable management rack

    How to remove the network module from the cable management rack

    To remove an NFX250 device from a rack: Use the appropriate Phillips (+) screwdriver to remove the mounting screws that attach the chassis front-mounting brackets to the rack. Place the removed screws in a labeled bag. You will need them when you reinstall the chassis. Ensure that you have the following parts and tools available to power off the switch: A cable to connect the external management device to the console port (CONSOLE) or management port (<. Cisco Catalyst 9300 switches can share bandwidth by using data stacking. Refer to Cisco 10720 Internet Router Installation and Configuration Guide for more. Disassembling a server rack requires a systematic approach to ensure both efficiency and safety. The process typically starts with removing non-structural elements, such as side panels and Power Distribution Units (PDUs), using basic hand tools.

    [PDF Version]
  • All-optical network fiber optic cable

    All-optical network fiber optic cable

    In September 2012, NTT Japan demonstrated a single fiber cable that was able to transfer 1 per second (10 bits/s) over a distance of 50 kilometers. Although larger cables are available, the highest strand-count single-mode fiber cable commonly manufactured is the 864-count, consisting of 36 ribbons each containing 24 strands of fiber. These high fiber count cables are used in, and as distribution cables in and networks.


  • Guinea Integrated Network Cabinet Prices

    Guinea Integrated Network Cabinet Prices

    Custom cabinets address: - High humidity (avg. 80% RH) requiring specialized sealing - Temperature fluctuations (25°C-40°C) demanding robust thermal management - Dust-intensive environments needing advanced filtration **Breaking Down Custom Pricing Factors** While exact. Custom cabinets address: - High humidity (avg. The price range generally falls between $10,000 and $100,000, depending on specifications and capacity. [PDF Version] The interactive figure below presents results on the total installed ESS cost ranges by. **Guinea Integrated Energy Storage Cabinet Custom Price: Solutions for Sustainable Energy Demands** **Understanding the Market: Who Needs Custom Energy Storage in Guinea?** Guinea's growing energy sector demands reliable storage solutions to support industries like mining, agriculture, and urban. That's another $50k-$80k hiding. Product Datasheet Download Outdoor energy storage cabinet integrates energy storage battery, modular Pcs, energy management monitoring system, power distribution system,environmental control system and fire control system. The Energy Ministry says 153 bids were submitted for the 16 grid.

    [PDF Version]
  • Fiber optic ring network types include

    Fiber optic ring network types include

    There are three main classes of media access protocol for ring networks: slotted, token and register insertion. A fiber optic ring network is a physical or logical network topology where devices (usually switches) are connected in a closed-loop using fiber optic cables. Each node is connected to two other nodes, forming a ring-like structure. If one. Fiber rings refer to configurations or architectures used in fiber optic networks, often employed in telecommunications to ensure high-speed data transmission with redundancy and reliability. Instead of running in a straight line from one point to another, the fiber forms a circular pathway linking multiple nodes.


  • Power switches for distribution network automation equipment

    Power switches for distribution network automation equipment

    Distributor assembly switches, also known as power distribution blocks or busbar trunking systems, are critical components in electrical power distribution networks. These devices are designed to safely and efficiently distribute electrical power from a main source to multiple branch circuits. They. Distribution automation (DA) is a family of technologies, including sensors, processors, information and communication networks, and switches, through which a utility can collect, automate, analyze, and optimize data to improve the operational efficiency of its distribution power system. Ensure an efficient, stable, secure and sustainable power supply and. This This paper introduces the current technical situation of intelligent switch equipment for distribution, compares different intelligent switch schemes, analyzes the problems and causes of intelligent switch with low integration degree, puts forward the technical scheme of integrated design of. The switch family consists of a complete range of switch-disconnectors, switch fuses, transfer switches, bypass switches and fuses.

    [PDF Version]

More industry information

Contact Us

We Look Forward to Working with You

Contact Information

Phone +86 13816583346
Address No. 26 Heshun Middle Road, Economic Development Zone, Hai'an City, Jiangsu Province, China

Send an Inquiry