Vodafone Idea interview question
ECI Equipment – MUX, Controller Cards & Capacity
Interview Answer
Anonymous
10 Sept 2025
1. ECI Product Families (commonly used in India) XDM Series (SDH/OTN Multiservice Platforms) → XDM 1000, 3000, 9000. BG Series (Metro/Access Transport) → BG-20, BG-30, BG-40. NPT Series (Packet Transport for 4G/5G backhaul) → NPT-1020, NPT-1200, NPT-1600, etc.