First of all, when the optical fiber fusion splicer is in use, when the optical fiber is automatically calibrated, an optical fiber keeps moving up and down, and the screen display stops at "calibration". At this time, we need to press the "Reset" button to reset the system.
Then, check whether the position deviation of the fiber end face in the Y/Z directions is less than 0.5 mm. If it is less than 0.5 mm, proceed as follows. Otherwise, send it to the factory for repair or check whether the bare fiber is clean. If it is not clean, dispose of it; then clean the V-groove Deposited dust. Tap the small indenter with your finger to determine whether the small indenter is compacting the optical fiber. If it is not compacted, dispose of it. You can try again.
Secondly, when the optical fiber fusion splicer performs discharge splicing, the discharge program (1-5) set by the factory is not available, and the overall size is too large or too small. This is due to aging of the electrode, changes in the relative position of the optical fiber and the arc, or major changes in the operating environment. The processing is as follows:
1. The condition of electrode aging. Check whether the electrode tip is damaged, if not, perform the "clean electrode" operation. If the electrode tip is damaged, refer to <Maintenance and Repair> to replace the electrode.
2. The relative position of the optical fiber and the arc has changed. Enter the "Maintenance Mode" menu, press "Arc Position", open the windshield to observe the relative position of the optical fiber and the arc, if the optical fiber is not in the middle of the electrical center, perform several "clean electrode" operations, and then observe whether the relative position of the optical fiber and the arc changes. If it does not change, it is a stable position.
3. The operating environment has changed a lot. The treatment process is as follows: a. Carry out a discharge experiment until the "discharge current is moderate" for three to five consecutive times. b. Enter the discharge parameter menu and check the discharge current value. c. The overall translation current (pre-melting current, welding current, repair current), so that the "welding current" value is "138 (0.1mA)". d. Press the "parameter" key to return to the first level menu state. e. Take 3>Medium current shift amount and modify the value of "Current Deviation" in the opposite direction. f. After confirming that it is correct, press the "confirm" key to save. g. Press the "parameter" key to exit the menu state, that's it.
In addition, when connecting multimode optical fibers, bubbles always appear during the discharge process. In this case, it is mainly due to the large refractive index of the core of the multimode fiber. The specific processing procedure is as follows:
Take the factory-set multi-mode discharge program as a template (that is, set the value of the "discharge program" item to be less than "5", and confirm.
Second, conduct a discharge experiment until the "moderate discharge current" appears three times.
Third, perform multi-mode fiber connection. If bubbles still appear, modify the discharge parameters. The modification process is as follows: a. Enter the discharge parameter menu. b. Increase the value of "pre-melting time" in 0.1s steps. c. Connect the fiber, if there are still bubbles, continue to increase the "pre-melting time" value until there is no bubble during the connection (provided that the quality of the fiber end meets the requirements) d. If there is no blistering during the splicing process and the optical fiber change rules need to reduce the "pre-melting current".
In fact, the laying of the horizontal subsystem optical cable is very similar to the twisted pair, but because the tensile performance of the optical cable is worse, you should be more careful when towing and have a larger radius of curvature. The vertical backbone subsystem optical cable is used to connect the equipment room to the wiring room on each floor, and is generally installed in the cable shaft or riser room.
