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Bringing practical business and technical intelligence to today's structured cabling professionals.

For more than 30 years, Cabling Installation & Maintenance has provided useful, practical information to professionals responsible for the specification, design, installation and management of structured cabling systems serving enterprise, data center and other environments. These professionals are challenged to stay informed of constantly evolving standards, system-design and installation approaches, product and system capabilities, technologies, as well as applications that rely on high-performance structured cabling systems. Our editors synthesize these complex issues into multiple information products. This portfolio of information products provides concrete detail that improves the efficiency of day-to-day operations, and equips cabling professionals with the perspective that enables strategic planning for networks’ optimum long-term performance.

Throughout our annual magazine, weekly email newsletters and 24/7/365 website, Cabling Installation & Maintenance digs into the essential topics our audience focuses on:

  • Design, Installation and Testing: We explain the bottom-up design of cabling systems, from case histories of actual projects to solutions for specific problems or aspects of the design process. We also look at specific installations using a case-history approach to highlight challenging problems, solutions and unique features. Additionally, we examine evolving test-and-measurement technologies and techniques designed to address the standards-governed and practical-use performance requirements of cabling systems.
  • Technology: We evaluate product innovations and technology trends as they impact a particular product class through interviews with manufacturers, installers and users, as well as contributed articles from subject-matter experts.
  • Data Center: Cabling Installation & Maintenance takes an in-depth look at design and installation workmanship issues as well as the unique technology being deployed specifically for data centers.
  • Physical Security: Focusing on the areas in which security and IT—and the infrastructure for both—interlock and overlap, we pay specific attention to Internet Protocol’s influence over the development of security applications.
  • Standards: Tracking the activities of North American and international standards-making organizations, we provide updates on specifications that are in-progress, looking forward to how they will affect cabling-system design and installation. We also produce articles explaining the practical aspects of designing and installing cabling systems in accordance with the specifications of established standards.

No equipment required, OPTO App helps global users easily and for free mine BTC, XRP, DOGE

OPTO App is launched, opening the journey of multi-currency free cloud mining

August 1, 2025, Seattle - As digital currencies gradually penetrate into daily life, the complex mining threshold still hinders most ordinary users from participating in the crypto economy. However, with OPTO Miner announcing the official launch of its new mobile cloud mining app, this pattern is being quietly rewritten.

OPTO App is a cloud-based cryptocurrency mining platform. Users do not need any professional equipment or technical background. They only need to download the app and activate the mining machine to start the automated cryptocurrency mining process. The platform currently supports a variety of mainstream currencies including Bitcoin (BTC), Ripple (XRP), Dogecoin (DOGE), etc., covering the core assets in the crypto asset ecosystem.

“We believe that mining should not be limited to geeks and institutions,” said the head of the OPTO team. “Our goal is to enable users around the world to easily earn their own crypto income in their daily lives.”

Zero threshold, zero cost, everyone can participate

Different from the traditional mining machine procurement, assembly, wiring and high energy consumption operation, OPTO App is completely based on cloud servers. Users only need to complete the registration through their mobile phones to receive the new user mining experience quota for free. The system automatically allocates the currency with the greatest profit potential to users for smart mining and settles the profits on a daily basis.

What is more worth mentioning is that the OPTO mining system is driven by a green energy data center. While users enjoy passive income, they also contribute to the environmental protection of sustainable mining.

Global operation, multi-language support

Currently, OPTO has opened services in more than 180 countries and regions. The platform supports more than ten languages including English, Chinese, Spanish, French, Arabic, etc., striving to reduce regional and language barriers and allow more users to easily enter the Web3 world.

In addition to the basic free mining service, OPTO also launched a variety of flexible cloud mining contracts, and users can choose different configurations according to their own risk preferences and target returns. In terms of income, the system automatically distributes cryptocurrencies to user accounts every day. After reaching the minimum withdrawal limit, users can withdraw or reinvest freely, further increasing the potential for compound interest income.

Sign up and get bonus

New users can get a $15 bonus when they register, and they can get a $0.60 incentive for logging in daily, so you can really earn while using it.

Strengthen security and protect assets

In terms of security, OPTO has cooperated deeply with McAfee® and Cloudflare® to build a bank-level encryption protection system to ensure that user assets and privacy information are not threatened. In addition, all user data is transmitted through multiple layers of encryption, and account access supports a two-factor authentication mechanism, which greatly improves the security of platform use.

Start using OPTO Miner in just three steps:

Step 1: Download the OPTO Miner App

Step 2: Register and receive rewards

New users will automatically receive a $15 free computing power reward after registration.

Step 3: Choose the right contract and start daily mining income

Flexible configuration from short-term to long-term contracts, and daily income is automatically settled to the account.

OPTO Mienr popular contracts:

BTC (Miner-S19k-Pro)Investment amount: $100, contract period: 2 days, daily income: $4, expiration income: $100 + $8

BTC (AVALON MINER A1326-109T)Investment amount: $500, contract period: 6 days, daily income: $6.05, expiration income: $500 + $36.3

BTC (iBeLink BM-K1+)Investment amount: $1,000, contract period: 10 days, daily income: $12.5, expiration income: $1,000 + $125

DOGE/LTC (Gold Shell Mini Dog 2)Investment amount: $3,000, contract period: 20 days, daily income: $41.1, expiration income: $3,000 + $822

Antminer S17 ProInvestment amount: $5,000, contract period: 26 days, daily income: $70, maturity income: $5,000 + $1,820

Avalon A1466Investment amount: $10,000, contract period: 37 days, daily income: $156, maturity income: $10,000 + $5,772

For more information, please visit the official website: https://optominer.com

Email: info@optominer.com

Click here to download the app

Designed for whom? For everyone who wants to own a "digital gold mine"

OPTO is not designed for a small group of miners, but has a broader vision. Whether it is a college student who has just come into contact with digital assets, an office worker who wants to accumulate the first bucket of "crypto gold", or a mother or retiree who wants to convert idle time into actual income, OPTO provides a fair, transparent and low-threshold entry.

At a time when decentralized finance (DeFi) continues to develop, OPTO hopes to become the tool that "gives everyone the opportunity to obtain crypto income" and truly realize the inclusiveness and freedom of financial technology.

OPTO Miner is a global technology company focusing on blockchain infrastructure and crypto financial services. It is committed to simplifying user access barriers through innovative technologies so that ordinary people can also benefit from the decentralized economy.

Disclaimer: The information provided in this press release does not constitute an investment solicitation, nor does it constitute investment advice, financial advice, or a trading recommendation. Cryptocurrency mining and staking involve risks and may result in the loss of funds. It is strongly recommended that you perform due diligence before investing or trading in cryptocurrencies and securities, including consulting a professional financial advisor.

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