Service & Support

Structured cabling is a modular, highly flexible information transmission pathway within a building or between…

News on May 6: The '2010 Global Broadband Communications and IoT High-Level Forum' was held in Beijing today.

The information age has arrived, and the demand for communication among human society continues to grow.

TD-SCDMA is the abbreviation for Time Division-Synchronous Code Division Multiple Access…

TD-SCDMA is the abbreviation for Time Division-Synchronous Code Division Multiple Access…

With the acceleration of service IP-based transformation, the service types carried by telecom networks have undergone…

The analog subscriber interface is the interface circuit through which a key telephone system or a program-controlled…

Telephone Exchange Principle In fact, the basic principle of a telephone exchange is quite simple…

Telephone optical terminals are mainly used in military and government units, small and medium-sized companies…

To our users: (1) Thank you for using our products. This equipment has good and reliable performance within its…

The rapid development of optical communication technology this year has driven down prices of equipment such as…

How to evaluate the performance of a telephone optical terminal: How many optical ports and optical directions.

Device fails to power on 1) Check whether the power cable is connected correctly.

Based on years of experience in the production and R&D of telephone optical terminals…

With the widespread application of IT and optical communication technologies, telephone optical terminals are…

Hz wave (terahertz wave) or THz ray (terahertz ray) was officially named only in the mid-to-late 1980s; before that…

A trunk line: a telephone line connecting a user's private branch exchange (PBX)…

How do you read the RJ45 interface pin numbering on twisted pair cables? Answer: With the metal contacts of the…

The ultrashort wave communication method uses devices such as radios or walkie-talkies to conduct digital communication…

Unbalanced signals: In analog signal transmission, if the signal is transmitted directly, it is an unbalanced signal.

With numerous brands on the market, it is difficult to make a choice. After comprehensive consideration of similar…

Point-to-point transmission mode of video optical terminals. This mode is relatively common.

When a video optical terminal malfunctions, it is essential to troubleshoot the issue immediately to ensure normal…

Composition and functions of video optical terminals and network video servers. An optical terminal is a device used to…