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Classification of fiber optic transceivers.fiber optic onu
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Classification of fiber optic transceivers.fiber optic onu

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SC-APC mini

With the diversified development of fiber optic transceiver products, their classification methods also vary, but there is a certain correlation between various classification methods.

Divided by rate

It can be divided into single 10M, 100M, 1000M, 10G fiber optic transceivers, 10/100M adaptive, and 10/100/1000M adaptive fiber optic transceivers.

Most of the 10M, 100M, and 1000M transceiver products work in the physical layer, and the transceiver products that work in this layer forward data bit by bit.

This forwarding method has advantages such as fast forwarding speed and low latency, making it suitable for applications on fixed rate links. The 10/100M and 10/100/1000M optical fiber transceivers work at the Data link layer and use the store and forward mechanism. In this way, the forwarding mechanism reads the source MAC address, destination MAC address and data payload of each received packet, and forwards the packet after completing the CRC Cyclic redundancy check.

One of the benefits of storage and forwarding is that it can prevent some erroneous frames from spreading in the network, occupying valuable network resources, and also effectively prevent packet loss caused by network congestion. When the data link is saturated, storage and forwarding can first place the data that cannot be forwarded in the cache of the transceiver and wait for the network to be idle before forwarding. This not only reduces the possibility of data conflicts but also ensures the reliability of data transmission. Therefore, 10/100M and 10/100/1000M fiber optic transceivers are suitable for working on links with fixed rates.

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