HOW TO READ ELECTRICAL DRAWING. PDF

Posted onSeptember 11, 2022September 11, 2022

Serial No Description Unit Quantity 1 LILIN Bullet Camera Nos 08 2 LILIN Dome Camera Nos 02 3 CCTV Panel Nos 02 4…

Posted onOctober 22, 2022October 22, 2022

Posted onSeptember 18, 2022September 18, 2022

Problem: SCADA always showing HI signal. Problem found: 1 NOS float switch problem found. A good sensor in HIHI position is replaced with…

Posted onJanuary 4, 2023January 4, 2023

A sensor is an input device that provides a usable output in response to the input measurand. A sensor is also commonly called a…

Posted onSeptember 24, 2022September 24, 2022

Previous ONU frequently becomes unstable/hang. So replace the ONU.

Posted onDecember 13, 2022December 13, 2022

There was so much dust

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