User talk:202.141.253.9

August 2018
Please refrain from making unconstructive edits to Wikipedia, as you did at Wavelength-division multiplexing. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Dawnseeker2000 18:17, 28 August 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

September 2018
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Wavelength-division multiplexing, you may be blocked from editing. Dawnseeker2000 16:06, 4 September 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.