

Fiber Join and cable arrangement Now DTW-115,117,118,119 CCTV Operation in NAV-2
COMPONENTS REQUIRED FOR CCTV DUAL SOURCE MODIFICATION SL NO. PRODUCT NAME PRODUCT MODEL QUANTITY 01 MAGNETIC CONTACT(GMR-4M Mini-Magnetic Contactors Relays (AC Coil) LG…
Findings: 1. Optical fiber are found damaged. Action Taken: 1. OTDR test . Cable disconnect at 0.7634 km. 2. Physically cable & TJ…
describe the working principles