Optical transceiver use precautions
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There are many different types of fiber optic transceivers , and most of the actual use is in the categories that are differentiated by fiber connectors: SC connector fiber transceivers and FC/ST connector fiber transceivers. When using a fiber optic transceiver to connect different devices, you must be aware of the different ports used.
1. Connection of fiber optic transceiver to 100BASE-TX device (switch, hub):
Make sure that the length of the twisted pair cable is no longer than 100 meters. Connect one end of the twisted pair cable to the RJ-45 port (Uplink port) of the fiber transceiver and the other end to the RJ-45 port of the 100BASE-TX device (switch, hub). (ordinary mouth).
2. Connection of the optical transceiver to the 100BASE-TX device (network card):
Make sure that the length of the twisted pair cable is no longer than 100 meters. Connect one end of the twisted pair cable to the RJ-45 port (100BASE-TX port) of the fiber transceiver and the other end to the RJ-45 port of the network card.
3. Connection of optical transceiver to 100BASE-FX:
Verify that the fiber length does not exceed the range that the device can provide; one end of the fiber is connected to the SC/FC/ST connector of the fiber transceiver, and the other end is connected to the SC/ST connector of the 100BASE-FX device. In addition, it is necessary to add that many users use optical transceivers as long as the length of the fiber can be used within the maximum distance that single mode fiber or multimode fiber can support. In fact, this is a misunderstanding. This kind of understanding is correct only when the connected devices are full-duplex devices. When there are half-duplex devices, the transmission distance of the optical fiber has a certain limit.