There are many different classifications of fiber optic transceivers, and in actual use, most of the attention is paid to the categories that are distinguished by different fiber connectors: SC connector fiber optic transceivers and FC/ST connector fiber optic transceivers. When using fiber optic transceivers to connect different devices, you must pay attention to the different ports used.

1. Connection of fiber optic transceiver to 100BASE-TX equipment (switch, hub):

Make sure that the length of the twisted pair cable does not exceed 100 meters; connect one end of the twisted pair cable to the RJ-45 port (Uplink port) of the fiber optic transceiver, and the other end to the RJ-45 port of the 100BASE-TX device (switch, hub) (Ordinary mouth).

2. Connection of fiber optic transceiver to 100BASE-TX equipment (network card):

Make sure that the length of the twisted pair is no more than 100 meters; connect one end of the twisted pair to the RJ-45 port (100BASE-TX port) of the fiber optic transceiver, and the other end to the RJ-45 port of the network card.

3. Connection of fiber optic transceiver to 100BASE-FX:

Make sure that the length of the optical fiber does not exceed the distance provided by the equipment; one end of the optical fiber is connected to the SC/FC/ST connector of the fiber optic transceiver, and the other end is connected to the SC/ST connector of the 100BASE-FX device. Another thing that needs to be added is that many users think that when using fiber optic transceivers, as long as the length of the fiber is within the maximum distance supported by single-mode fiber or multi-mode fiber, it can be used normally.

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