The Egomal test box saved my job. Short story: 12-wire fiber / 1 pair / no connection / tested pair / red wire bad / tested yellow wire / good / done! Accommodation (400 feet vertical and 500 feet horizontal) in a hotel. After the end of melting the 12-strand pig tail. We used white and red to transport our vehicles. There was no connection. I went to the other end with the Egomal tester (at this point I was just searching and playing around with the tester for about 30 minutes), I had to figure out how to emit light into the filament at the other end. The SC adapter comes with the Egomal, which is only screwed to the db side of the tester. I have pre-ordered a SMA male to SC female adapter. I didn't have an adapter for the SC. The trunk line was SC to 12 wire duplexer (SC female to SC female, jumper was SC to LC to router). on the laser. It is found that a white filament will emit a bright red color, but a bad red filament will emit a pink color. I switched to a yellow thread that gave off a bright red color. Red yarn switched to yellow. The router started receiving traffic. RELIEF.Egomall saved me!
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