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Understanding SFP Modules

What is an SFP module? SFP is the abbreviation of small package pluggable. It is a compact, hot pluggable Optical module for telecommunications and data communication applications. The SFP Optical module can be considered as an upgraded version of the GBIC Optical module. Unlike GBICs with SC fib... Read More

ACL Introduction

Access Control Lists (ACLs) are instruction lists applied to router interfaces. These instruction lists are used to tell the router which packets can be received and which packets need to be rejected. As for whether a packet is received or rejected, it can be determined by specific indication con... Read More

PON Industry Trends

The network of PON consists of three parts: OLT (usually placed in the computer room), ODN, and ONU (usually placed in the user’s home or in the corridor close to the user). Among them, the part of lines and equipment from OLT to ONU are passive, so it is called Passive optical network (PON... Read More

FTTR All Optical WiFi

1、 Before introducing FTTR, let’s briefly understand what FTTx is. FTTx is the abbreviation for “Fiber To The x”, referring to “fiber to x”, where x not only represents the location where the fiber arrives, but also includes the optical network equipment installed a... Read More

Introduction to Fiber Optic Transceivers

What is a fiber optic transceiver? Fiber optic transceivers are Ethernet transmission media conversion units that exchange short distance twisted pair electrical signals with long-distance optical signals, also known as fiber converters in many places. The product is generally used in the actual ... Read More

POE Power over Ethernet surge protection

The development of Power over Ethernet (POE) technology is very strong. The development of this technology can simplify the installation and deployment of electrical equipment, thus eliminating the need for independent transmission lines. Nowadays, power supply technology (POE) is widely used in ... Read More