Things to know when purchasing fiber optic transceivers

July 02 , 2021
Optical fiber transceivers are relatively abundant, mainly including rack-mounted optical transceivers, desktop optical transceivers and card-type optical transceivers. In addition, there are many manufacturers of fiber optic transceivers on the market. In purchasing, buyers must also consider the compatibility of the product with the surrounding environment and the stability and reliability of the product itself in addition to the price. The following are the application functions you need to understand when buying a fiber optic transceiver.
Optical fiber transceiver is a kind of network equipment for mutual conversion of electrical and optical signals. It is a simplified optical transceiver, which is widely used in optical communication equipment. Optical fiber transmission equipment such as telephone optical transceivers and optical fiber access equipment can achieve transmission between devices through optical transceivers.

Single-mode and multi-mode optical transceivers

Single-mode and multi-mode in specific applications, the amount of multi-mode is higher than single-mode, mainly in the wiring range below 500m, multi-mode has been able to meet, although the performance is not as good as single-mode. Single-mode above 500m or the bandwidth requirements Applications in high environments. Most are large-scale field applications such as enterprise-level. Because the working stability and performance of optical fiber modules are much better than transceivers, there are very few applications in single-mode applications that require high performance. Companies will use transceivers instead of modules. Naturally, there are fewer manufacturers of single-mode transceivers, and the price will be higher.

Single-fiber and dual-fiber optical transceivers

Single-fiber refers to a single-core optical fiber that transmits on one core; dual-fiber refers to a dual-core optical fiber that transmits on two cores, one receiving and one sending. In general, users often use dual-fiber, because dual-fiber is more advantageous in terms of price. The general use of single fiber is when the optical cable is relatively tight. For example, if the 12-core fiber is dual-core, only 6 networks can be transmitted; if the 12-core fiber is single-fiber, 50% of the wiring can be saved.

FC, SC, LC optical transceiver

FC, SC, and LC are an interface type of pigtails, which are the standards developed by different companies in the early stage. They have the same effect and have their own advantages and disadvantages. The SC connector is directly plugged and unplugged, which is very convenient to use. SC is a more commonly used pigtail interface. The FC connector is generally used in telecommunications networks. There is a screw cap screwed to the adapter. The advantage is that it is reliable and dustproof. The disadvantage is that the installation time is slightly longer. SFP optical modules are more commonly used in LC.

When choosing an optical fiber transceiver, pay special attention to the application. If the wrong optical transceiver is selected, it may cause the office or remote telephone optical transceiver or other equipment to fail to work properly or the pigtail interface cannot be connected. For detailed questions, please consult the manufacturer. To ensure that you buy the right product.
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