Networking

Wifi is excellent, we all love it. But under the wireless work, there are serious cabling, and data travels through DSL, Ethernet cables and fiber optic cables. The question is, which one performs better? And what’s the difference between DSL, Ethernet cable and fiber optic cable speed? Don’t worry, we are here to help you understand the key differences among the different cables. What Is DSL? DSL stands for Digital Subscriber Line. It’s a communication medium used to deliver digital signals via the copper telephone lines. DSL service functions much like dial-up Internet service. However, unlike dial-up service, the “two-wire” technology of DSL makes it possible for users to connect to the broadband internet and make or receive phone calls at the same time. Because DSL utilizes the existing telephone lines which  means  there is no requirement for extra cabling for DSL service. Thus, it allows users to download files, watch online videos and support cloud backups. ...

With the growth of today’s network, the amount of hardware involved has become a barrier to efficient and optimized network operations. In some cases, a fiber switch is  the answer . These fiber switches with management functions can reduce the burden on the network backbone, by connecting different edge-level devices and combining them into a single data stream. Today, we’ll focus on SFP  fiber switch  and its cabling solutions. SFP Fiber Switch Introduction As the name implies, an SFP fiber switch is a communication control device with SFP ports. And like a common networking switch, SFP fiber switch is also used to send and receive  data  transmission, but in fiber channel. These SFP ports are small form-factor hot pluggable interfaces, so the SFP optical transceiver modules can be inserted into the SFP ports. Then the fiber cables can be used to connect the fiber switch to other networking equipment. Advantages of SFP Fiber Switch SFP fiber switch ca...

Cisco is a worldwide leader in the telecommunication industry whose routers, switches are very welcome among the users. To work well with those Cisco networking applications, Cisco SFP transceivers are the best choice. GLC-SX-MM, GLC-SX-MMD, GLC-SX-MM-RGD  and  SFP-GE-S are different types of Cisco 1000BASE SFP transceiver module. All these transceiver modules comply with IEEE 802.3z 1000BASE standard. And since there are similar specifications for these four transceiver modules, users may be confused when they need to choose one SFP module for their Cisco switches. Here we’ll make a comparison of GLC-SX-MM,  GLC-SX-MMD , GLC-SX-MM-RGD and SFP-GE-S transceiver modules to help you choose the suitable one. Which transceiver module will you choose? Cisco Transceiver Datasheet Here are the datasheets of these four different Cisco SFP transceiver modules. GLC-SX-MM Datasheet The GLC-SX-MM is programmed to be fully compatible and functional with all intended Cisco ...

OS1 and OS2 single mode fibers are the essential communication medium that works by delivering optical signals in extremely pure glass or plastic fiber. However, for the layperson, all fiber cables look like the same, with differences hidden in their dimensions. But if you study deeper, there are countless changes between them, such as the performance, cost and so on. And choosing the right fiber optic cable is also critical. In this post, I’d like to focus on  single mode  fiber types. What Is Single Mode Fiber? Single mode  fiber optic cable  is a type of fiber optic cable, which features a core diameter of nominally 9µm. This is the most basic difference between single mode and multimode fibers. Due to its small diameter, there’s only one transmission mode of light. Thus, compared with the multimode fiber,  single mode  fiber prohibits light reflection so that attenuation of signal could be reduced and offers the highest transmission speed. As a res...