NCL is among the best subsidiaries of Coal India Ltd having well established communication network for providing effective Data & Voice communication between NCL HQ to different projects/units. Telecommunication network is a backbone for implementation of various IT initiatives/ activities.E&T DEPARTMENT ACTIVITIES IN NCL LAN/WAN NETWORK:
In order to have seamless flow of real-time data from NCL HQ to different projects/units/weighbridges up to last mile connectivity and for effective utilization of IBS/Coalnet/ERP solutions, NCL has established a three layer WAN network are as follows:
Layer 1: Optical fiber cable network (own network):A network through optical fiber cable exists between NCL HQ with different project/unit offices for Data & Voice communication.
Layer 2: IP based Radio communication network (own network):IP based radio network has been also established between HQ and projects/units as an alternate media for voice and data communication with minimum bandwidth of 100 Mbps uplink and downlink per site. In case the optical fiber cable gets damaged or disconnected the Radio system automatically takes over the load.
Layer 3: Leased optical fiber cable network (Hybrid network of FO and Radio):
High Speed WAN connectivity with 10 Gbps has been established for connecting NCL HQ and projects/units through Optical fiber cable network and projects/units with weighbridges through optical fiber cable with Radio backup. This work was executed by M/s. Railtel Corporation of India Limited.
The complete network is being monitored from NCL HQ through Network management system.
In order to provide internet connectivity through NCL HQ, Internet leased line have been taken from three different internet service providers, such as 66 Mbps by M/s. Railtel Corporation of India Limited, 155 Mbps by M/s. BSNL and 20 Mbps is being provided by M/s Power Grid which helps in the implementation of various IT initiatives.TELEPHONE EXCHANGE:
Separate Telephone exchanges are installed in HQ and all Projects/mines/Units and each exchange is loaded with 400 to 1500 lines for providing land line connectivity in offices and residential premises. More than 7000 connections have been provided in HQ & projects/units.VHF WIRELESS COMMUNICATION:
Dedicated VHF walkie-talkie/ wireless communication has been provided in all the mines of NCL for wireless communication between executives and supervisors regarding their official working in the mines as well as onward transmission of urgent information’s/ instructions.VIDEO CONFERENCING:
IP based video conferencing system has been established between NCL HQ to CIL & Other subsidiaries of CIL. Shortly this facility of video conferencing system will be established between NCL HQ to Area offices.CUG MOBILE FACILITY:
Postpaid SIM has been provided to the employee of Northern Coalfields Ltd for Mobile communication i.e. for Voice & Data services.COMPLAINT LODGING SYSTEM:
E&T department has developed an online portal (http://172.22.9.63) in LAN/WAN which constitutes a complaint lodging system for lodging various complaints related to NCL Telephones, LAN/WAN and photocopier/Fax. Online mobile directory is also available for searching contact numbers by name, designation, department and project.
Apart from the above Voice, Data and Video communication systems, NCL has also taken up various IT initiatives related to monitoring of coal movement, surveillance and other new IT/communication system:GPS BASED VEHICLE TRACKING SYSTEM FOR COAL TRANSPORTATION:
GPS based Vehicle Tracking system for Coal Transportation along with RFID system, boom barrier, camera for snapshot and integration with existing weighbridge system is being implemented in NCL for 1005 coal carrying vehicles and integration of 22 weigh bridges. This system helps to monitor the movement of coal through trucks and automation of weighbridges for automatic Challan preparation which prevents the possibilities of coal pilferage.CCTV SURVEILLANCE SYSTEM:
The work order for the work was awarded to M/s. Honeywell automation Ltd, Kolkata. NCL has introduced CCTV surveillance system comprising of 550 IP based cameras that has been installed in vital locations of mines such as mine entry, exit, stores, weigh bridges, CHP, workshops, diesel filling stations, barriers and etc., at different projects/units of NCL. This system helps in prevent the theft of materials and to monitor all the activities of mines.