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  • Is QSFP28 40 or 100?

    The term "QSFP28" stands for "Quad Small Form-Factor Pluggable 28," and it refers to a specific form factor for optical transceivers. The "28" indicates that it supports a data rate of 28 gigabits per second (Gbps) per channel. Therefore, a QSFP28 module can support various data rates depending on the specific application and the number of channels utilized. The two c

  • Can SFP ports be PoE?

    SFP (Small Form-factor Pluggable) ports themselves do not provide Power over Ethernet (PoE) capabilities. SFP ports are typically used for fiber optic or copper Ethernet connections and are designed to transmit data signals. However, the devices that have SFP ports, such as network switches or routers, may support PoE on other ports.PoE is a technology that allows both data and electrical power to

  • What is the difference between DAC and SFP+?

    Direct Attach Copper (DAC) cables and Small Form-Factor Pluggable Plus (SFP+) are both technologies used in networking for high-speed data transmission, but they serve different purposes and have distinct characteristics. Here are the key differences between DAC and SFP+:Connection Type:DAC (Direct Attach Copper): DAC cables are copper-based cables with connectors on both ends, and they are typica

  • What is the difference between FR3 and FR4?

    FR3 and FR4 are both types of printed circuit board (PCB) materials, each with its own set of properties. These materials are used in the construction of electronic circuits. Here are the key differences between FR3 and FR4:Material Composition:FR3: FR3 is a type of PCB material made from a composite of cellulose paper impregnated with a phenol formaldehyde resin. It is known for its good electric

  • What is the difference between 1g and 10G ports?

    The terms "1G" and "10G" refer to network port speeds, indicating the data transfer rate supported by the respective ports. Here are the key differences between 1 Gigabit (1G) and 10 Gigabit (10G) ports:Data Transfer Rate:1 Gigabit (1G): 1G ports support a data transfer rate of 1 gigabit per second (Gbps) or 1000 megabits per second (Mbps). This is a common speed for many Ether