After picking up the optical module, align the electric cleaning pen with the optical fiber interface of the optical module, press the button and stop for about 1 second, the pen head will automatically clean the port, and finally pull out the pen head to complete the. After picking up the optical module, align the electric cleaning pen with the optical fiber interface of the optical module, press the button and stop for about 1 second, the pen head will automatically clean the port, and finally pull out the pen head to complete the. Knowing how to clean SFP modules, performing routine SFP maintenance, and maintaining your optical module will avoid downtime and prolong the usable life of your equipment. This article will give you practical tips on keeping your modules functioning well and your network healthy. Using the wrong tools, applying excessive force, or skipping inspection can actually worsen contamination or even damage the delicate optical components inside the transceiver. Many real-world failures are the result of. Usually, the ports of the newly purchased optical modules are clean, and there is no need to clean the ports, but for the optical modules that are idle or have not been inserted into the dust cap in time, when they are used again, in order to prevent the transmission performance from being. During use of the optical module, dust and dirt will remain on the end face, requiring regular cleaning to maintain peak performance. Watch this video to learn how to quickly clean them in 4 steps!.