Ethernet Switch

The Ethernet switch is a switch based on Ethernet to transmit data, and the Ethernet uses a local area network that shares a bus-type transmission medium. The structure of the Ethernet switch is that each port is directly connected to the host, and generally works in full duplex mode. The switch can connect to many pairs of ports at the same time, so that each pair of hosts that communicate with each other can transmit data without conflict as if it were an exclusive communication medium. And now more commonly used are Fast Ethernet switches and Gigabit Ethernet switches.

What is a fast Ethernet switch?

In order to further increase the Ethernet transmission rate, the transmission rate of the switch has been increased from the original 10Mbps to 100Mbps, and the fast Ethernet switch is available. Fast Ethernet switches are also called 100-megabit switches, support 10/100BASE-T standard, transmission rate up to 100Mbit/s, usually have multiple RJ45 ports, which can be connected to PCs, servers, routers and other equipment through network jumpers on. Currently, most Fast Ethernet switches have several gigabit uplink ports, which can be cascaded with gigabit switches to achieve 1Gbps or even higher transmission rates.

What is a gigabit Ethernet switch?

The gigabit switch can be said to be an upgraded version of the fast Ethernet switch. Its transmission rate is ten times faster than that of the fast Ethernet switch and is designed to meet the high-speed requirements of Internet service providers (ISP). The theoretical transmission rate of Gigabit switches can reach 1000Mbps, and it has backward compatibility (adaptive 10/100Mbps). Under normal circumstances, a gigabit switch has multiple RJ45 ports and SFP ports, and data transmission can be realized through network jumpers (such as super five network cables, six network cables, etc.) or optical fiber jumpers and SFP optical modules. Currently, some Gigabit switches have several 10GSFP+ ports for higher rate transmission.

What is the difference between a gigabit switch and a fast Ethernet switch?

The difference between Gigabit switches and Fast Ethernet switches, in addition to the above-mentioned transmission rate and port types, there are also differences in the following five aspects:

1. The two application scenarios are different

In general, Fast Ethernet switches are suitable for home use, and Gigabit switches are used in small and medium-sized enterprise networks.

2. The two functions are different

Generally speaking, Gigabit switches have network management functions, and network deployment is more flexible, allowing network administrators to provide security and QoS (Quality of Service) control strategies for specific applications, with higher security, while Fast Ethernet switches themselves These advanced functions are not carried.

3. The two power standards are different

In the previous PoE standard, PoE technology can provide 12.94W of power for wireless access points or other IP devices, but this can no longer meet the power requirements of today’s new devices. At present, the latest Gigabit switches support the enhanced PoE+ standard with a maximum power of up to 30W. Fast Ethernet switches have not yet adopted the latest power supply standards. Therefore, in terms of power, Gigabit switches are higher than Fast Ethernet switches.

4. Different power consumption

Compared with fast Ethernet switches, Gigabit switches can not only provide higher bandwidth and powerful management functions, but also have the effect of energy saving. With low power consumption, enterprises can use Gigabit switches to reduce power consumption during network deployment.

5. The two costs are different

According to data from the International Data Corporation (IDC), the price of a gigabit switch is 4 times higher than that of a fast Ethernet switch. The price difference between the two is large, which will be an important factor influencing network engineering decisions.

Which is better, Gigabit switch or Fast Ethernet switch?

Nowadays, the cost of gigabit switches is gradually decreasing, and even ordinary users can afford its price. So which is better, gigabit switch or fast Ethernet switch?

If it is just a simple Internet environment, such as sending e-mails, online chatting, browsing the web, etc., using a gigabit switch may not be able to take advantage of its advantages. Considering the cost, you can choose a fast Ethernet switch.

If you have high requirements for the network environment, such as playing large-scale online games and server hosting, it is more appropriate to choose a gigabit switch, because gigabit switches have obvious advantages in speed and performance (as described above). In addition, as a medium and large enterprise that has multiple users accessing the same network equipment or needs to add PoE+ power supply equipment, considering the future network growth trend, choosing a gigabit switch will be more efficient and network upgrades will be more convenient. Gigabit switches have various port configurations, such as 8-port Gigabit switches, 24-port Gigabit switches, etc., which can meet different network wiring requirements.


Post time: 2021-01-19

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Lomoveishiy – Finland

I needed those to connect my PC on the third floor to have internet access in that room, and ISP installed their modem on the first floor only. After dropping fiber patch cables, plugged in all cables into these media converters at both sides, and link came up instantly. Was much easier than I thought!

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Great experience – units worked straight out of the box – just needed plug in cables and we were done. I also like the possibility to enable jumbo frames, while we do not have a need for this feature at the current moment it’s great to have this option.

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