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    • By Admin / 11 Aug 23 / 0 Comments

      C, Document Reading and Writing

      Describes how the C programmer creates, opens, and closes a text file, or a binary file. A file,means a series of bytes, whether it is a text file or a binary file,  C Language, not only provides the access to the top level functions, but also provides the underlying (OS...
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    • By Admin / 26 Jul 23 / 0 Comments

      Classification of SFP modules

      There are many types of SFP modules, and ordinary users often have no way to start when selecting SFP modules, or even do not understand the information, blindly believing in the manufacturer, resulting in the inability to choose their own suitable or the best combinatio...
      Classification of SFP modules
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    • By Admin / 26 Jul 23 / 0 Comments

      IPV4 packet format

      IPv4 is the fourth version of the Internet Protocol (IP) and the first widely used protocol that forms the foundation of today's internet technology. Each device and domain connected to the Internet is assigned a unique number called an IP address. The IPv4 address is a ...
      IPV4 packet format
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    • By Admin / 19 Jul 23 / 0 Comments

      Test steps of Optical module

      Shenzhen Haidiwei Optoelectronics Technology Co., Ltd. generally needs to carry out professional debugging, testing, code writing and real machine testing for the test steps when producing the Optical module sold. Please refer to the following process flow explanation fo...
      Test steps of Optical module
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    • By Admin / 19 Jul 23 / 0 Comments

      Introduction to OLT NMS System

      In order to effectively manage and monitor the network within the region and ensure the reliability and security of network operation, a network management system is essential. NMS, also known as Network Management System, can centrally manage network devices within a re...
      Introduction to OLT NMS System
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    • By Admin / 11 Jul 23 / 0 Comments

      software architecture design

      Architectural design, as the name suggests, is to construct a framework for the design. To put it bluntly, for example, when we build a house, there is no flat ground at the beginning. Architectural design is equivalent to drawing the appearance of the house on paper, an...
      software architecture design
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