If the indicator light is on at one end but off at the other, swap the fiber jumpers at both ends. An optical module is a critical component in modern optical communication systems, directly affecting transmission stability, network reliability, and operational efficiency. However, during installation and daily operation, various issues may arise. The most notable fault is the “module not detected” error, which describes a situation in which a switch cannot detect the transceiver. This is a result of hardware failure, poor connections, or firmware errors, and. This type of optical module failure mainly includes port not UP, port status is UP but do not receive or send messages, port frequently up or down and CRC error. Port not UP Taking 10G SFP+/XFP optical module as. The optical port of the optical module is exposed to the environment, and the light port is polluted by dust; b. The end face of optical joint with pigtail is not. The optical transceiver is not bright A: on the premise that the equipment is working properly, we first need to eliminate the problem of the optical fiber line itself, and then check whether the state of the optical aperture is open, whether the optical fiber jumper is connected to the reverse.
