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

Network Switches, Ethernet Hubs, Managed

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

  • Manufacturer of NRZ optical network switches

    Manufacturer of NRZ optical network switches

    typically refers to equipment facilitating the use of a. Typically, this includes,,, and other related hardware. This is a list of notable vendors who produce network hardware.


  • Switches and network cable access devices

    Switches and network cable access devices

    This guide walks through the eight core network devices you meet first: routers, Layer 2 and Layer 3 switches, next-generation firewalls and IPS, access points, wireless LAN controllers, endpoints, servers, and Power over Ethernet. Network Devices are the physical appliances required for communication and interaction between computers on a computer network. In this blog post, we will discuss Network Devices in Computer Networks. An Ethernet switch is a type of network hardware that is foundational to networking and the internet. Each device operates at specific layers of the OSI model and serves distinct purposes in network communication.

    [PDF Version]
  • How to model a network server rack

    How to model a network server rack

    In this guide, you'll learn what a rack diagram is, how to make a rack diagram in Visio, and the common limitations teams run into when using Visio for rack layouts. We'll also explore a faster, more collaborative alternative and explore some ready-made rack diagram templates to. Plan and design your network or IT setup with our free online rack diagram tool. AI's symbol library has almost everything you need for your rack. A data center server rack is the physical foundation of modern IT infrastructure, enabling the organized installation of servers, switches, PDUs, UPS systems, and structured cabling. Rack Elevation or Server Rack Layout Software are simple tools to plan and document the cabling of your server cabinet. We offer a rich set of standard rack diagram symbols. Miro's rack diagram tool lets you map server layouts quickly with drag-and-drop, collaborate live with your team, and integrate with the tools you already use. Invite teammates to create a rack diagram with you in real time — even if you aren't.

    [PDF Version]
  • Has a network cable ever been run over a fiber optic cable

    Has a network cable ever been run over a fiber optic cable

    Ethernet over fibre has emerged as a preferred medium in situations that require long-distance communication, high speeds or a high level of immunity from electromagnetic interference (EMI). With fibre-optic cables, data can be transmitted over much greater distances compared to Ethernet cable. Ethernet over fiber-optic cable has been a technology with specifications dating back to the mid 1980s.


  • Remote power supply network cable

    Remote power supply network cable

    By utilizing a PoE switch or injector, power can be delivered to the network switch through the Ethernet cable, eliminating the need for a separate power supply. This not only streamlines the setup process but also enhances the flexibility of network deployments. Corning's Long-Reach Solutions offer cost-effective, reliable, and scalable long distance connectivity that can enable the deployment of complex technologies across campuses. A separate power supply is not necessary. However, it can still damage equipment that has not been designed to receive. Shop DigiKey's large in-stock selection of Power over Ethernet (PoE). View inventory, pricing and order now for same day shipping!Belden's Application-Based RemoteIP Cables take an IEEE-standards-based approach to solving real-world problems in applications where Category cabling falls short.

    [PDF Version]
  • How much does a communication network cabinet cost in Namibia

    How much does a communication network cabinet cost in Namibia

    Prices for outdoor telecom cabinets as of 2025 can run anywhere from $900 to $5,000, depending on design, materials, and integrated systems. Let's break that down: Why such a wide range? Because not all cabinets serve the same function. What is an outdoor telecom cabinet?We specialize in structural networking and structural cabling solutions designed to support reliable, high-performance communication systems for commercial buildings, industrial facilities, and telecommunications environments across Namibia. For example, a simple outdoors weatherproof enclosure cabinet. If you're building or upgrading a telecom site, the first of many big infrastructure questions is: How much does an outdoor base station cabinet cost? These rugged cabinets protect critical equipment such as radios, batteries, and power systems. However, this is just a rough estimate.

    [PDF Version]
  • Network Rack Port Reference Table

    Network Rack Port Reference Table

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The (TCP) and the (UDP) only need one for traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa. The (IANA) is responsible for maintaining the official assignments.


  • San Marino Export ONU Optical Network Unit SFP

    San Marino Export ONU Optical Network Unit SFP

    The product is an MSA-compliant SFP that incorporates not just the optics for an ONU, but all of the electronics need as well. It can be plugged into networking equipment. PLANET GPN-SFP is an SFP GPON ONU device designed in compliance with the ITU-T G. It is a cost-effective GPON customer premises system that provides broadband services with 1244 Mbps upstream and 2488 Mbps downstream by connecting to subscribers' switches or routers. 488Gbps downstream, reaching a link up to 20km over SMF via SC connector. 2, IEC-60825 and is ideal for asymmetric passive optical network (GPON) system.


  • What size grounding wire is typically used in industrial switches

    What size grounding wire is typically used in industrial switches

    122 is the primary reference for determining the minimum size of equipment grounding conductors based on the rating of the overcurrent protection device. The National Electrical Code (NEC) provides clear guidelines for ground wire sizing through Table 250. 122, but understanding how to apply these requirements correctly can make the difference between a safe installation and a costly code violation. The sizing of the EGC is governed by Article 250.


  • Huawei 48 All 10 Gigabit Core Switches

    Huawei 48 All 10 Gigabit Core Switches

    Huawei CloudEngine S5755-H series switches are high-quality gigabit access switches that provide 24 or 48 10/100/1000BASE-T downlink ports, four 25GE plus two 100GE uplink ports, and expansion card slots. By leveraging Huawei's unified software platform, CloudEngine S5755-H series creates a. A Huawei 48-port switch is a fixed-configuration Ethernet switching platform offering exactly 48 physical RJ45 or SFP-based interfaces—designed primarily for wired endpoint connectivity in structured cabling environments. Unlike modular chassis switches, these are purpose-built for predictable. Huawei's comprehensive portfolio of products and solutions enables you to realize smooth digital transformation and rapid growth of virtualization, Big Data, and cloud services. 3bt/at/af), it delivers up to 30W per port and 740W total. Huawei S5731-H48P4XC (48*10/100/1000BASE-T ports, 4*10GE SFP+ ports, 1*expansion slot, PoE+, without power module) The CloudEngine S5731-H series switches are the next-generation intelligent gigabit fixed switches developed by Huawei. The CloudEngine S5731-H builds on Huawei's unified Versatile.

    [PDF Version]
  • Deployment of Core Switches in the Data Center

    Deployment of Core Switches in the Data Center

    In a large data center, a single pair of data center core switches typically interconnect multiple aggregation modules using 10 GigE Layer 3 interfaces. The recommended platform for the enterprise data c.


  • Hot-plugging of optical modules on switches

    Hot-plugging of optical modules on switches

    Hot‑pluggable optical modules —such as SFP, SFP+, QSFP, and QSFP‑DD—can be safely inserted or removed from powered network equipment (switches, routers, servers) without rebooting the system. For SFP/SFP+/QSFP families this capability is specified via. Small Form-factor Pluggable (SFP) modules are a core building block of modern network infrastructure, enabling flexible fiber or copper connectivity across switches, routers, and network interface cards. Standards like MSA ensure a controlled power‑up sequence, with ground pins connecting first, followed by. This guide describes the general handling measures and precautions when handling optical transceivers to ensure they can be handled with reduced risk for damage. The QSFP-DD, QSFP, and SFP transceiver modules are hot-swappable and connect the electrical circuitry of the system with an optical. The Cisco ® 10GBASE SFP+ modules (Figure 1) give you a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications. Cisco SFP+ modules offer the following features and benefits.

    [PDF Version]
  • How to allocate core switches

    How to allocate core switches

    Here are key factors to consider: Port Type, Rate, and Quantity Evaluate the required port types, speeds, and quantities based on your existing aggregation layer switch. A core switch is not merely a type of switch but rather denotes the switch that operates at the core layer (the network's backbone). Positioned at the top of the three-layer network architecture, it functions like a senior management team in an organization, tasked primarily with efficiently. There are different types of enterprise switches that perform various roles in these layer-based or hierarchical ethernet networks. I have the option for using 9500-48 port ( in SVL ) which has 6. Engineered to aggregate massive volumes of data from distribution switches, it provides ultra-low latency and maximum throughput to ensure uninterrupted routing and packet. As this is a replacement upgrade, both switches which are core switches will have the same IP addresses configured on them. Option 1; Power up the Nexus and migrate the cables.

    [PDF Version]

More industry information

Contact Us

We Look Forward to Working with You

Contact Information

Phone +27 82 415 6793
Address Unit 7, Innovation Park, 34 Electron Road, Kempton Park, 1620, South Africa

Send an Inquiry