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SFP Tranceivers Intelligent

Fiber optic transceivers are the networking equipment commonly used in our intelligent weak projects. SFP Tranceivers We can classify fiber optic transceivers according to fiber type and transmission type.

According to the type of fiber can be divided into multi-mode fiber optic transceivers and single-mode fiber optic transceivers, SFP Tranceivers but because of the high cost of multimode fiber, SFP Tranceivers and the light attenuation than single-mode fiber, determines the multi-mode fiber transmission distance, To single-mode fiber-based.

From the transmission type can be divided into single-core transceiver and dual-core transceiver, from the name we can distinguish between single-core transceiver data reception and transmission are done through a core fiber, and dual-core transceiver is through The RX and TX of the receiver and the transmitter must be cross-connected to send and receive data normally, that is to say, SFP Tranceivers the RX of the receiving end must be connected to the TX of the sending end

Our commonly used fiber optic transceivers have six lights, SFP Tranceivers then what does each indicator mean? Whether all the lights are lit only on behalf of the fiber optic transceivers work properly?

If the fiber optic transceiver is working normally, the PWR power indicator must be on, the FX-LINK / ACT fiber link indicator and the TX-LINK / ACT network link indicator must be on or flashing. If the LINK / ACT indicator is off , The need to check whether the corresponding link is normal; SFP Tranceivers as for the FDX operating mode indicator, FX-100 fiber rate indicator, TX-100 network speed indicator light on the fiber optic transceivers have no real impact.

Dual optical fiber transceiver, also known as dual optical interface photoelectric converter, is a new high-speed Ethernet fiber optic network transmission products, SFP Tranceivers with address filtering, network segmentation and intelligent monitoring alarm and other functions, can achieve fiber relay, single multi-mode conversion And other functions, suitable for a link multiple Ethernet interface networking program to improve network efficiency and network operation reliability.

Mixing the supply voltage of the controller and the transceiver in one application requires that each voltage be provided with at least one regulated power rail. In some cases, SFP Tranceivers just to support the 5V transceiver, it will increase the cost, board space, and the overall design complexity. For these applications, switching the CAN transceiver to a 3.3V power rail can alleviate this problem. SFP Tranceivers Shows a block diagram of dual power rail applications with 5V transceivers and 3.3V controllers. Shows a simpler setup that is possible when the CAN transceiver and controller are powered by a 3.3V supply.

Another common problem with adding 3.3V CAN transceivers is that their output differential voltages are less than the output differential voltage of the 5VCAN transceiver and therefore have lower noise immunity. SFP Tranceivers The CAN standard solves this problem by requiring all transceivers to drive an output differential voltage of at least 1.5V and requiring the receiver to have an input threshold voltage set at a differential voltage of 0.9V. Therefore, as long as the 3.3V transceiver can drive the minimum voltage of 1.5V, the system will form a 0.6V voltage margin to deal with line loss and noise margin. In order to compensate for the reduction of the voltage clearance, SFP Tranceivers the drive in the 3.3V transceiver is typically larger than the drive in the 5V transceiver.

In short, SFP Tranceivers many people mistakenly believe that 3.3V and 5V CAN transceivers can not be used together in the same network, or can not build a robust and durable 3.3VCAN network. And that is not the case. SFP Tranceivers After more than 10 years of listing, 3.3 VCAN transceivers are still favored in devices such as large home appliances, server backplanes, smart grids, and battery-powered devices, because they simplify the end product design. Keep this in mind, and always pay attention to common mode radiation, SFP Tranceivers then the 3.3V CAN transceiver will be able to continue to move forward in more applications.

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