The optical transceiver is an Ethernet transmission medium conversion unit that exchanges short-distance twisted pair electrical signals and long-distance optical signals. In many places, it is also called a Fiber Converter. Products are generally used in actual network environments where Ethernet cables cannot be covered and must use optical fibers to extend the transmission distance, and are usually located in access layer applications of broadband metropolitan area networks; for example, high-definition video image transmission for monitoring security engineering; It also played a huge role in connecting the last mile of the fiber to the metro and the outer network.
Photoelectric converters (also known as fiber optic transceivers), with hundreds of megabits of fiber optic transceivers and gigabit fiber optic transceivers, are a fast Ethernet with a data transfer rate of 1 Gbps and still use CSMA/CD access control mechanisms. Compatible with existing Ethernet, with the support of the cabling system, the original Fast Ethernet can be smoothly upgraded and the original investment of the user can be fully protected. Gigabit network technology has become the technology of choice for new networks and transformations. The performance requirements of the integrated wiring system are also improved. Related brands include TP-link, TC-net, Sanwang Communication, Hanxin Communication, etc., among which there are industrial grades and commercial ones. The general commercial type has lower parameter indexes and narrower scope; industrial grade performance is better. Suitable for industrial environments.
Photoelectric converters are typically used in real-world network environments where Ethernet cables cannot be covered and fiber must be used to extend the transmission distance. They also play a huge role in helping to connect the last mile of the fiber to the metro and beyond. The role. With opto-electrical converters, there is also a need to upgrade the system from copper to fiber, providing an inexpensive solution for users who lack capital, manpower or time. The function of the photoelectric converter is to convert the electrical signal we want to transmit into an optical signal and send it out. At the same time, the received optical signal can be converted into an electrical signal and input to our receiving end.
Basic characteristics of photoelectric converter
1. Provide ultra-low latency data transmission.
2. Fully transparent to network protocols.
3, using a dedicated ASIC chip to achieve data line speed forwarding. The programmable ASIC combines multiple functions onto a single chip. It has the advantages of simple design, high reliability, and low power consumption, which enables the device to achieve higher performance and lower cost.
4, rack-type equipment can provide hot plugging function, easy maintenance and non-stop upgrade.
5. The network management equipment can provide functions such as network diagnosis, upgrade, status report, abnormal situation report and control, and can provide complete operation log and alarm log.
6. The equipment adopts 1+1 power supply design, supports ultra-wide power supply voltage, realizes power protection and automatic switching.
7. Support an ultra-wide operating temperature range.
8, support a full range of transmission distance (0 ~ 120 km).
Photoelectric converter advantage
When it comes to photoelectric converters, people often inevitably compare the photoelectric converter with the switch with optical port. The following mainly talk about the advantages of the photoelectric converter relative to the optical port switch.
First of all, the photoelectric converter plus the ordinary switch is far cheaper than the optical port switch, especially some optical port switches will lose one or even several electrical ports after adding the optical module, so that the operator can largely Reduce upfront investment.
Secondly, since most optical modules of the switch do not have a unified standard, once the optical module is damaged, it needs to be replaced by the same module from the original manufacturer, which brings great trouble to the later maintenance. However, there is no problem in the interconnection and intercommunication between devices of different manufacturers of photoelectric converters. Therefore, once damaged, it can be replaced by products of other manufacturers, and maintenance is very easy.
In addition, the photoelectric converter is more complete than the optical port switch in the transmission distance.
Of course, the optical port switch also has advantages in many aspects, such as unified management and unified power supply, which will not be discussed here.
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