what is sfp cable

Computer All-in-one machine, simple, stylish and solid design, more in line with modern people to save space, beautiful purpose, the most concise optimization of the line connection mode, only need a power cord can complete all connections. Reduce the speaker line, camera line, video cable, network cable, keyboard line, mouse line and so on. With space-saving, value-added integration, energy-saving and envi

it. Pay attention to the purchase of light cat, photoelectric converter, optical transceiver must pay attention to the interface type, do not buy the interface wrong on the line, in addition to the attention is a single mode or multimode, now the general enterprise is a single mode. Common interface has FC (round with Thread), SC (card-type square), ST (head inserted after the rotation of a half week with

Many friends more on what is Poe Switch memory Switch Poe feature is not very well understood, the following system is introduced.What is Poe?Power over Ethernet (PoE) is an IEEE 802.3AF standard powered technology approved in Jun

Let's start by recognizing what a packet loss is, and what kind of phenomenon is being lost to the network: Data is transmitted on the Internet on a packet-by-unit basis, with a packet of NK, no more, no less. That is

In the early hours of March 10 in Beijing, Apple unveiled a new MacBook at the Grass Art Center in San Francisco, which has left a deep impression on countless consumers. Once again, the ultimate Apple has a butcher knife on the various interfaces on the Macbook 12 and, in the case of cutting off all its original interfaces, introduces us to a new, lightweight USB interface like the Lightning interface: USB type-c. So the question is, what's the

Often have friends to consult the most fire software station small series, about the difference between switches and routers, in fact, if you have used the switch and router friends should be aware of, for everyone, switches and routers in the use of the biggest difference is that the router can achieve dial-up Internet, and then through sharing to many computers at the same time online, But the switch does not have the dialing function inside, but th

Often see network friends in the difference between the switch and router, in fact, if you have used both switch and router friends should know, for everyone, switch and router use the biggest difference is that the router can realize dial-up internet access, and then shared to multiple computers at the same time the Internet, But the switch does not have the dial function, but the function of the switch is

Notebook computer screen flashing, boot when the most powerful, where is the bad? Sometimes flash a few seconds and it's okay, so what should we do when this happens? In general, there are two possibilities, one is that the line is not connected or loose, the second is the

What if the Macbook is flooded? According to Apple's warranty, malfunction caused by the water after the equipment is not covered by the warranty service, if you want to repair the need to pay high maintenance costs. So, do you choose to pay for maintenance or buy a device again? There is a bit of hands-on ability of t

What is unicast, multicast, and broadcast? The terms unicast, multicast, and broadcast are all terms used to describe the communication methods between network nodes. So what exactly do these terms mean? What is the difference? Let's break it down. --★Unicast★--The communic

What is a network adapter? Network adapter also known as NIC or network interface card (NIC), English name Networkinterfacecard. It is the device that makes the computer networked. The usual network adapter is the one that connects the PC to the LAN. The network card (NIC) is