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This document outlines the proposed connectivity enhancements for the COIS Phase II, focusing on its integration with the existing FOIS network in the North Eastern Railway (N.E. Rly.). Key aspects include the upgrade of existing routers, the introduction of new proposed COIS locations, and specifications for link capacities. The initiative aims to significantly enhance data transmission efficiency for coaching terminals and improve overall operational efficiency for the railway system, connecting various regions such as GKP, Lalkuan, and Varanasi.
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Connectivity Of Proposed COIS Phase -IIwith Existing FOIS Network (N.E. Rly.) STM Coaching CTNL Cardex Section GKP SM CTNC Spare CTNC To CRIS CTNC Kathgodam GKP HQ Chappra RUPC Lalkuan Deoria Sadar AOM Coaching Gonda CTNL CTNC Izzat Nagar RMS AOM Coaching To CRIS To CRIS Varanasi RMS AOM Coaching CTNC (LJN Stn) CTNC Manduadih Lucknow CTNL RMS Legend Rly 64 Kbps Ch. Existing BSNL 64 Kbps Ch. Existing Proposed COIS location Phase-I COIS locationsproposed by STM/Coaching and Sanctioned by CRIS 17 Existing FOIS Router 64 Kbps Existing FOIS Router 64 Kbps required to be upgraded by 2 Mbps New proposed COIS Router 64 Kbps Proposed 2 Mbps from Railtel Existing ISDN Note :- FOIS Terminals are not shown SNM/FOIS STM/Coaching