11th Optical Communication Carnival Badminton Tournament: Industry Connection Through Sport On September 10, 2024, the 11th Optical Communication Carnival Badminton Tournament opened at the Shenzhen Longhua Jianshang Sports Complex Hall. The event brought together participants from across the optica...

Topstar at the 25th CIOE: Listening to AI Connectivity Requirements The 25th China International Optoelectronics Expo (CIOE) provided Topstar with an opportunity to meet customers, partners, and industry colleagues in Shenzhen and discuss the changing requirements of optical communication. Exhibitio...

25G SFP28 optics are an interface decision, not a universal 5G module 25 Gigabit Ethernet is widely used for server connectivity, switch uplinks, storage paths, and selected mobile-network transport designs. It is often described loosely as a “25G optical module,” but a deployable link depends on mu...

The HPE Cray Storage Systems C500 is tuned to avoid I/O bottlenecks and offers a lower entry price than Cray systems designed for top supercomputers. Smart motorway in England, UK with light trails signifying busy traffic at rush hour. The NSL symbols under the gantry sign signify an end to speed re...

About Topstar: A Long-Term Commitment to Technical Hardware Sourcing Topstar supports customers who are planning, maintaining, or expanding optical, networking, server, storage, and related data-center hardware environments. Our role is to help turn a technical requirement into a clearer procurement...

5G and 4G: Key Differences for Network Planning 5G is not simply “4G with a higher speed.” It is a newer generation of mobile-system standards with a new radio interface, new core-network capabilities, and several deployment options. At the same time, 4G/LTE continues to serve a large share of mobil...

Cisco is seeing a tough climate for its networking business, but it's reporting better news on the AI and security fronts. After days of speculation, Cisco today announced a restructuring plan that will see the networking vendor cut 5%, or about 4,200 jobs, from its 84,900 workforce as it plans to c...

40G QSFP SR4 and 40G QSFP BiDi at a Glance Before we go any further, it’s better to first obtain some basic information about 40G QSFP SR4 and 40G QSFP BiDi transceiver. As they both used to support short-range (SR) 40G connectivity, the major difference lies in the protocols, namely ...

Fiber Optic Patch Panels: Selection, Installation, and Maintenance Guide A fiber optic patch panel is an organized termination and cross-connect point for fiber cabling. It is not simply a device that joins two connectors. In a structured cabling system, the panel provides a protected, labeled locat...

QSFP28 SR4 QSFP28 SR4 is also a parallel optical transceiver. It offers four channels for transmitting and four channels for receiving, each capable of 25Gb/s operation for an aggregate data rate of 100Gbps on 100 meters of multimode fiber, which is similar to the CFP LR4. However, the QSFP28 SR4 do...

Applications Of Fiber Optic Connectors And Analysis Of Connector Terminals In this article we will introduce user fiber optic connector (SC Connector), straight-through fiber optic connector (ST Connector), fixed fiber optic connector (FC Connector) and LC Connector and their applications,...

Why Use Tunable DWDM SFP+ Transceivers? Tunable SFP+ is one kind of DWDM transceivers. It is commonly used in DWDM system. In the market, tunable SFP+ transceivers are often two to four times more expensive than DWDM SFP+ transceivers. Many may think DWDM SFP+ transceivers are enough in the DWDM sys...