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Switch redundant power supply design

Switch redundant power supply design

2020-11-10
Currently, most switches on the market, especially old switches, only use a single power supply. If the power supply fails (such as power failure), the switch cannot operate normally, or even paralyze the network.Redundant power supplies are an ideal solution ...
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Why are SFP optical modules popular?

Why are SFP optical modules popular?

2020-11-05
Why are SFP optical modules popular? The volume of the SFP optical module is reduced by half compared with the volume of the GBIC optical module. The number of SFP ports on the same panel will be twice that of the GBIC optical module. The same SFP optical modu...
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What do you know about SFP module?

What do you know about SFP module?

2020-11-04
What is SFP module? The SFP module is an interface device that converts gigabit electrical signals into optical signals. It is an industry-standard small and pluggable gigabit optical transceiver module that can be plugged into the SFP of network equipment suc...
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The safe transmission distance and network cable selection of POE power supply

The safe transmission distance and network cable selection of POE power supply

2020-10-30
The safe transmission distance of POE power supply is 100 meters, and it is recommended to use Cat 5e copper network cable. It is possible to transmit DC power with a standard Ethernet cable for a long distance, so why is the transmission distance limited to ...
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How to choose an fiber video converter in a security monitoring system?

How to choose an fiber video converter in a security monitoring system?

2020-10-28
Multi-channel digital video optical transceivers can have multiple functions, and each type of function has corresponding technical index requirements, such as video index, audio index, asynchronous data index, Ethernet index, telephone index and so on. Speci...
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How to choose fiber video converter?

How to choose fiber video converter?

2020-10-26
    Optical transceivers are also optical signal transmission equipment. Foreign optical transceivers have mature technology but are expensive. Although domestic optical transceivers are not so mature in technology, they are not expensive enough to deal with...
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We should choose 100M or 1000M ethernet switch?

We should choose 100M or 1000M ethernet switch?

2020-10-23
In order to be able to load the increasingly complex video surveillance system network, the switch needs to access more cameras, and the larger the data volume of the switch. The switch must have a very stable ability to convert data to transmit large amounts ...
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Why must the industrial field use industrial ring network switches?

Why must the industrial field use industrial ring network switches?

2020-10-21
1. Harsh industrial site environment Since Ethernet was designed at the beginning, it was not based on industrial network applications. When it is applied to industrial sites, facing harsh working conditions, serious inter-line interference, etc., these will i...
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The difference between industrial and commercial switches

The difference between industrial and commercial switches

2020-10-20
We all know that there are commercial grade and industrial grade switches. Commercial grade switches are generally used in homes, small businesses and other places. Industrial-grade switches are often used in industrial environments. So, why can't commercial ...
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Analysis of Gigabit Ethernet Switch Failure and Packet Loss

Analysis of Gigabit Ethernet Switch Failure and Packet Loss

2020-10-16
There are many things worth learning about Ethernet switches. Here we mainly introduce how to avoid packet loss in the energy data control of Gigabit Ethernet switches. Flow control cannot improve the data throughput of the entire switch, but it avoids packet ...
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