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         Signal and Telecom

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Migration of Technology from mechanical lever operated semaphore Signal & overhead communication to panel interlocking with LED signal & OFC based communication was really fast in Solapur division. At Solapur we always look forward to adopt state of the art advance technology for safe & reliable operation of train.


There have been considerable increase of Assets, still significant reduction in Signal failure could be achieved by adopting Remote Online Conditional Monitoring of Signalling equipment and continuous knowledge up gradation of maintainer (Mechanical to relay based color light Signalling, Overhead to OFC communication). Out motto is to reduce the maintenance efforts while maintaining the reliability


To keep pace with change in technology a Divisional training Center have also been set up with in-house recourses


Divisional Training Center Daund: To keep pace with rapidly changing technology, continuous knowledge up-gradation of the maintainer is essential hence special emphasis has been given on providing in-house training to maintainer. Week maintainers and key resource persons are being identified by depot in-charge continuously. Confidence Building Course is being conducted by the KRP on various Signalling & Telecom subject including hands on training. Our MOTO is to provide minimum 2% man-days training to each maintainer in a year.








Panel Interlocking: 75 out of 78 stations are provided with a PI including three major RRI. 1441 out of 2690 aspect of Signals are provided with LED Signals.




41 Block Sections are provided with Alcatel make Digital Axle counter for the last Vehicle check on B-Route.


Predictive Monitoring/Maintenance free System:      



All PI stations 75 are provided with a Dataloggger along with networking of 69 Dataloggger at the Divisional Signal Control for Preventative Maintenance of Signalling gears and analyzing the cause of unusual incidences.

Fuse Alarm System Provided at 71 stations


Microcontroller based Earth Leakage Detector (ELD)13 stations and potential free contact wired to Data logger. for predicting the earth fault of cable provided at

Magnetic boom Lock has been provided on 34 Nos of LC as an additional safety measure to ensure positive locking of the LC gate in closed position.


Power Supply: Power supply is the heart of Signalling System any defect/failure of Power supply leads to complete shutdown of Signalling System. Accordingly special emphasis has been given to Power supply. IPS has been provided at all PI stations (71) (excluding major RRI) including 12 interlocked gates to prevent the blanking of the signal.

To charge of batteries during long power cut 175 Diesel Generator Set has been provided at stations & Interlocked LC gates.

*Remote Power supply & Battery Monitoring System:


Reliable working of IPS and battery is essential for functioning of Signalling equipment.GIU based Remote Power Supply monitoring (Integrated Power Supply) system in Daund-Manmad section & Remote predictive battery monitoring system for Padhegaon station have been commissioned for first time on Indian Railway. This will ensure round the clock monitoring of IPS & individual battery from Centralized Control. This will also enable to monitor the running of DG & will ensure saving in fuel consumption.

Solar Charging of IPS battery




To conserve the running of DG sets, Solar Panel have been provided at 4 mid section interlocked gate for charging of battery.



*Train Control Communication: Omnibus control circuits at each station provided on OFC in B & D route and on quad cable in E-Route. 6-Quad cable and 4-Quad Cable have been provided for the Block/ Gate Working and emergency communication. All stations on the B-Route are provided with a Hot line communications with the adjacent station on OFC network.

*The short-haul STM1 equipment is provided at every station (53 stations) in B & D-route.  The STM1 network is protected by long-haul STM4 (7 stations) self healing ring network. 

*Telephone Exchanges: For Railways Internal Communication requirements telephone exchange (7 numbers) have been provided at important stations (Solapur, Wadi, Gulberga, Kurduwadi, Daund and Ahemdnagar). Solapur is connected with the Zonal Headquarter by tie line and NGN network. BSNL Telephones have been provided at all Railway stations with Caller IDs.

*Data Communications: Computerized Passengers Reservation System (PRS) is provided at a 12 stations. Unreserved Ticketing System (UTS) is provided at 73 stations. Crew Management System (CMS) is provided at 5 Crew Lobbies. Freight Operation Information System (FOIS) / Coach Operation Information System (COIS) is provided at all 16 loading station on the division.

*Integrated coach guidance system

Passenger Information System: PC based Public Address System is provided at 11 stations. Train Indication Boards are provided at 9 important Railway stations.Coach Indication Boards are provided on the platform at 8 important Railway stations. Token System for the PRS has been provided at Solapur, Gulbarga and Ahemdnagar station. All the UTS & PRS windows are provided with terminal repeaters to display fair and journey details to the passengers.

GPS Clock


GPS Platform Clocks are provided at 17 Platform on 15 stations.


To ensure synchronization of timing between Controller & ASM:47 GPS clock provided: 8 in Control & 39 at Stations in DD-WD section.

*CCTV Surveillance and monitoring system


Closed Circuit Television: IP based Video Surveillance system is provided at Solapur station being monitored by the Security department.

Passenger Operated Enquiry Terminal


POET (Passenger Operated Enquiry Terminal) has been provided for PNR enquiry at Solapur, Daund, Ahamdnagar, Gulbarga, Shahabad, Wadi, Kurduwadi and Pandharpur stations.

Token Indicator System


Token Indicator System is provided at Solapur, Gulbarga and Ahamdnagar stations in PRS office to have self discipline among the commuter while booking their tickets

Wireless Exchange (WLL) & VSAT in Accident Relief Train


50 Line WLL (DECT) Exchange commissioned for ART WD & ART DD for extending communication for Railway Passengers and Railway staff from the disaster site.


A Very Small Aperture Terminal (VSAT), is provided at Daund in Accident Relief Train for live telecast of disaster, from site to Control, Internet facility at site, hot line, Railway & BSNL communication at site

Source : Central Railway / Indian Railways Portal CMS Team Last Reviewed : 19-06-2023  

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