The Zyxel CX4800-56F is a high-density L3 aggregation optical switch in which the company pioneered the use of 100G ports: 8 QSFP28 100GbE uplinks complement 48 SFP+/SFP28 slots with 10/25gbe support, forming a single 56-port stack for traffic aggregation in campus and data centers factories. With a pass-through switching matrix of up to 4 Tbit/s and forwarding speeds of up to 2 billion packets per second, this switch confidently closes scenarios of highly loaded highways, where not only ...

We have a rather interesting class of L3 switches in front of us: multi-gigabit PoE models with a relatively small number of ports, an average PoE budget by modern standards, but 10-gigabit uplinks. They are interesting because the manufacturer has placed 2.5G PoE + 10G in a compact 9-inch rack housing with a silent fan, and such a switch can be installed at home, in a 1-room office, under a false ceiling or in narrow telecommunication cabinets. We have a rather interesting class of L3 ...

We will take two switches: the Taiwanese brand Zyxel and the Chinese counterpart from a little-known manufacturer and look at the design differences and what they affect in order to answer the question - does it make sense to overpay for design features? It's no secret that almost all modern electronics are manufactured in China, even if they are developed in the USA, Europe, Japan or Taiwan – the Chinese have not only learned how to do things efficiently, but have also grown such IT giants ...

This is a 28-port switch, in which 4 ports are gigabit optics for Uplink, and the remaining 24 ports are 1-gigabit RJ45 PoE with a total power budget of 370 watts, and each of these ports can work both in 802.3af mode (up to 15.4 watts) and and in the mode 802.at (up to 30 watts). When integrating into the project, some features of this switch should be taken into account. Level 3 switches with PoE support are usually used to build enterprise Wi-Fi networks and video surveillance systems. And ...

Zyxel reasoned this way: if the L3 functionality is already determined only by the firmware, 99% choose an access switch for the sake of port density, PoE, VLAN, Multicast, and less often for static routing, then here's the base model XMG1930, which is generally L2, but slightly L3. And if your network requires advanced L3 functions, then all this is also there, just buy the appropriate license and get the core-level functionality. You can do this at any time, even when buying a device, even ...

PDUs with remote disconnection of sockets and groups of sockets, which are often called switchable PDUs, provide remote control of sockets and groups of sockets, allowing operators to quickly overload hung devices, block their activation, turn off excess power at peak loads and balance the load between phases in 3-phase networks by monitoring and disconnecting sockets. PDU (Power Distribution Unit), they are also power distributors, or power distributors, sometimes socket blocks, but this is ...

Technologies are so advanced today that there are many tools for monitoring server racks and the entire computing infrastructure of a small enterprise. These systems also allow you to optimize energy use, manage backup power and control cooling. A server rack is a miniature ecosystem with its own climate, its own electrical part, as well as its own security and protection facilities. But how to ensure the proper functioning of the rack and early troubleshooting? The solution is monitoring ...

The power supply is a critical component of the server, on which not only the stability of operation depends, but also the operating costs. What types of server PSUs are used today and how to choose a power model. Server power supplies, which are used to provide power to server components, have various parameters, such as power, current, and voltage. Depending on the type of server enclosure and its capacity, power supplies are divided into different categories. Conventional ATX power ...

In this article, we will look at 5 software services that you can install through Docker to facilitate the maintenance of your servers. This software stack is a Must Have for a small infrastructure using Docker (Swarm). In this article, we will look at 5 software services that you can install through Docker to facilitate the maintenance of your servers. This software stack is a Must Have for a small infrastructure using Docker (Swarm). 1. Watchtower This software package automatically ...

The largest vendor of server equipment, HPE, produces the Proliant RL300 Gen11 model based on Ampere Altra (Max) processors. These are 1-socket 1-unit servers, delivered both according to the traditional purchase model and according to a relatively new type of subscription sales (Server-as-a-service). The new machines are designed for Cloud environments, that is, for companies providing application hosting services using container and hardware virtualization, as well as for Web hosting and ...