steemitboard (66)in #half-duplex • 4 years agoRE: Transmission Modes -Simplex, Half-Duplex and Full-DuplexCongratulations @khattak7! You have completed the following achievement on the Steem blockchain and have been rewarded…steemitboard (66)in #fiber • 4 years agoRE: Fiber vs CopperCongratulations @khattak7! You have completed the following achievement on the Steem blockchain and have been rewarded…cheetah (77)in #sonet • 4 years agoRE: What is SONET?Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in: