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The failure of the sfp optical module is divided into the failure of the transmitter and the failure of the receiver. Through the analysis of the main causes of the phenomenon, the most likely problems are mainly concentrated in the following aspects: The optical port of the  1000base SFP transceiver  is contaminated and damaged Because of the pollution and damage of the optical interface of the module, the loss of the optical link is increased, so that the optical fiber link is unreachable. The main reasons for this phenomenon are the following four points: 1. The optical port of the SFP optical module has been exposed to the environment for a long time, resulting in contamination and contamination of the SFP optical port; 2. The end face of the fiber jumper connected to the  SFP-10g-sr  optical module has been contaminated, and the SFP optical port has been contaminated; 3. Improper operation of the end face of the optical connector with pigtails, ...

F iber optic communication becomes the main part of the modern information network. And the fiber optic transceiver plays an important role in the optical communication. As the core of the optical communication devices, it consists of a transmitter and a receiver in a single module. The transmitter takes an electrical signal and converts it to an optical signal from a laser diode or LED. And the receiver receives the optical signal and converts the light into an electrical signal by taking use of a detector. This article will introduce one of the fiber optic transceivers—SFP transceiver. SFP Transceiver Overview SFP transceiver, also called small form-factor pluggable transceiver, is specified by multi-source agreement (MSA). It is a hot-pluggable transceiver which is used for both telecommunication and data communications applications. Usually, we can think of it as a mini GBIC, because it is smaller than GBIC (Giga Bitrate Interface Converter) but it has the similar function...