Switches and firewalls are all essential pieces of equipment needed to run and protect your network. While these components are often confused due to their similar appearance (metal boxes with physical ports and LED status lights) each one serves a specific function. Here is a closer look at the distinguishing features and capabilities of each network device.
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As we know, there are three power supply modes in the surveillance system. Then, you may doubt what kind of power supply is the ideal choice. And what should we pay attention to when we select the power supply for our cameras? Let's start with the basic knowledge of the three modes.
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If the distance between the two places is 500 meters, it has exceeded the maximum transmission range of the network cable, which is known as 100 meters, then how we can guarantee the network transmission? Usually, we often encounter long-distance transmission, so how to solve it?
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If you're thinking about upgrading your analog system to IP, there are a variety of factors to think about. While the price gap between the two is getting smaller, there are advantages and disadvantages to both and what you choose ultimately depends on your organization's specific needs.
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In our last story, we have set PC 1 to VLAN 10, and PC2 to VLAN 20. Then how to achieve the communication between them? The answer is through the routing function. There are two equipment can support this function, one is one-armed router, the other one is layer 3 switch.
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