Indian Railways Telecom Manual Specifications
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Questions and Answers

What is the basis for reviewing Indian Railway Standard specifications?

  • Technological growth in product only
  • Experience and feedback from railways and manufacturers (correct)
  • Manufacturer's recommendation only
  • Periodic reviews every 5 years

    • What happens to the specification after sufficient feedback is received during the product stabilisation phase?

  • RDSO/SPN number is given after making entry into register (correct)
  • It is frozen for further updates
  • It is sent back to manufacturer for revision
  • It is cancelled

    • What is the role of Telecommunication Engineering Center (TEC) in specification development?

  • Uses British Standards Institution specifications for telecommunication purposes (correct)
  • Develops Indian Railway Standard specifications
  • Issues RDSO/SPN numbers
  • Maintains drawing and specifications folders

    • Where can Indian Railway Standard Specifications be obtained from?

    <p>RDSO's Railnet and Internet websites</p> Signup and view all the answers

    What is the responsibility of each Sr.DSTE office regarding specifications?

    <p>To maintain a copy of all Indian Railway Standard specifications</p> Signup and view all the answers

    What happens to obsolete or cancelled drawings and specifications?

    <p>They are destroyed</p> Signup and view all the answers

    What is the purpose of maintaining standard drawing and specifications in a block form separately bound in suitable folders?

    <p>For easy review and update</p> Signup and view all the answers

    What is the source of British Standard and Indian Standard Specifications?

    <p>Director, Bureau of Indian Standard, Manak Bhavan, New Delhi</p> Signup and view all the answers

    Where can the approved specifications of Telecom directorate be accessed?

    <p>RDSO website</p> Signup and view all the answers

    What is the primary purpose of maintaining a network diagram of circuits?

    <p>To configure protection paths for important channels</p> Signup and view all the answers

    What kind of charts are required to be maintained for maintenance staff?

    <p>All of the above</p> Signup and view all the answers

    What is the role of the Telecom Standard Committee?

    <p>To develop Indian Railway Standard Specifications</p> Signup and view all the answers

    What is the significance of the RDSO/SPN number in the specification development process?

    <p>It is used to track the specification updates</p> Signup and view all the answers

    What is the primary purpose of maintaining a chart indicating the exact location of the emergency telephone socket post?

    <p>To identify the distance from nearby OHE masts</p> Signup and view all the answers

    What is the process of updating Indian Railway Standard Specifications?

    <p>The specifications are updated by the Telecom Standard Committee</p> Signup and view all the answers

    What is the significance of maintaining a network diagram of Railnet along with its IP addressing scheme?

    <p>To facilitate network management and troubleshooting</p> Signup and view all the answers

    Who is responsible for ensuring that staff understand and carry out work in accordance with standard drawings?

    <p>Section Engineer</p> Signup and view all the answers

    What should be done with obsolete and cancelled standard drawings?

    <p>Destroy them</p> Signup and view all the answers

    Who should be informed of mistakes in standard drawings and specifications?

    <p>PCSTE</p> Signup and view all the answers

    What is the purpose of publishing a list of standard drawings for the information of the staff?

    <p>To make staff aware of the existence of standard drawings</p> Signup and view all the answers

    What contains a list of up-to-date British Standards in numerical order?

    <p>British Standard Year Book</p> Signup and view all the answers

    Where can Indian Standard Specifications be obtained from?

    <p>Director, Bureau of Indian Standard, Bahadur Shah Jafar Marg, New Delhi-110 002</p> Signup and view all the answers

    Who is responsible for ensuring that standard drawings and specifications in their custody are kept up-to-date?

    <p>Sr.DSTE</p> Signup and view all the answers

    What should be done with staff that do not understand and carry out work according to standard drawings?

    <p>Provide additional training</p> Signup and view all the answers

    What is the primary source of directives for preparing new draft specifications in the Indian Railway Standard Specifications?

    <p>Railway Board/requirement of Zonal Railways</p> Signup and view all the answers

    What is the purpose of the Telecom Standard Committee (TCSC) meeting?

    <p>To discuss and approve comments from customers and field inspecting units</p> Signup and view all the answers

    What is the purpose of the RDSO/SPN number?

    <p>To identify the specification and track revisions and amendments</p> Signup and view all the answers

    What happens to minor amendments made to the Indian Railway Standard Specifications?

    <p>They are indicated as Amd1, Amd2, and so on, until the specification is revised</p> Signup and view all the answers

    What is the significance of the number '12' in the Indian Railway Standard Specification 'TC.12-66'?

    <p>It represents the serial number of the specification</p> Signup and view all the answers

    What is the final step in the process of developing a new specification in the Indian Railway Standard Specifications?

    <p>Sending copies of the specification to Approved Vendors, field Inspection units and Railways</p> Signup and view all the answers

    What is the purpose of the register No.TC-R-0008?

    <p>To assign RDSO/SPN numbers to new specifications</p> Signup and view all the answers

    What is the significance of the number '66' in the Indian Railway Standard Specification 'TC.12-66'?

    <p>It represents the year of original adoption as a standard</p> Signup and view all the answers

    What is the frequency of issuing addenda and corrigenda slips to lists of Indian Railway Standard Drawings and Specifications?

    <p>Every six months</p> Signup and view all the answers

    What is the primary purpose of the Telecom Standard Committee?

    <p>To examine defects in standard designs under service conditions</p> Signup and view all the answers

    What should be quoted for items without an IRS Specification?

    <p>Indian Standard Specifications, TEC or British Standard Specification</p> Signup and view all the answers

    What is required for introducing modifications to Indian Railway Standard Designs?

    <p>Prior approval of the Railway Board</p> Signup and view all the answers

    What should be accounted for in the same way as other books of reference?

    <p>All Indian Railway Standard Drawings and Specifications</p> Signup and view all the answers

    What should be indented in accordance with?

    <p>Indian Railway Standard Drawings and Specifications</p> Signup and view all the answers

    What is the role of the Director General, Research Designs and Standards Organisation, Ministry of Railways, Lucknow?

    <p>To provide specific sanction in writing for deviations from IRS drawings</p> Signup and view all the answers

    What should be brought to the notice of the Director General, Research Designs and Standards Organisation, Ministry of Railways, Lucknow?

    <p>Defects in standard designs noticed under service conditions</p> Signup and view all the answers

    What does the letter 'TC' in 'TC.12-66' represent?

    <p>Telecommunication</p> Signup and view all the answers

    What is the purpose of the Telecom Standard Committee (TCSC) meeting?

    <p>To discuss and finalize new draft specifications</p> Signup and view all the answers

    What happens to the specifications when sufficient feedback is received from fields during product stabilisation phase?

    <p>They are updated as necessary after making entry into the register.</p> Signup and view all the answers

    What happens to minor amendments made to the Indian Railway Standard Specifications?

    <p>They are indicated as Amd1, Amd2 and so on</p> Signup and view all the answers

    What is the role of RDSO in the specification development process?

    <p>It is responsible for giving IRS number after making entry into the register.</p> Signup and view all the answers

    What is the purpose of the RDSO/SPN number?

    <p>To identify the specification prepared by RDSO</p> Signup and view all the answers

    Who is responsible for preparing new draft specifications?

    <p>RDSO</p> Signup and view all the answers

    Why are British Standard and Indian Standard Specifications adopted?

    <p>Because no IRS specification exists for certain equipment.</p> Signup and view all the answers

    What is the significance of the number '66' in the Indian Railway Standard Specification 'TC.12-66'?

    <p>It represents the year of last revision</p> Signup and view all the answers

    What should be maintained in a block form separately bound in suitable folders?

    <p>Standard drawing and specifications.</p> Signup and view all the answers

    What is the role of the Railway Board in the specification development process?

    <p>To review and finalize Telecom Standard Committee recommendations</p> Signup and view all the answers

    Who is responsible for ensuring that each Sr.DSTE office has a copy of all Indian Railway Standard specifications?

    <p>The Sr.DSTE office itself.</p> Signup and view all the answers

    What is the purpose of the register No.TC-R-0008?

    <p>To record RDSO/SPN specifications</p> Signup and view all the answers

    What is the purpose of reviewing and updating Indian Railway Standard specifications?

    <p>To ensure that they are based on experience and feedback from railways and manufacturers.</p> Signup and view all the answers

    What happens to torn or defaced drawings and specifications?

    <p>They are replaced with new ones.</p> Signup and view all the answers

    Why areIndian Railway Standard Specifications obtainable from RDSO’s Railnet and Internet websites?

    <p>Because they are frequently updated and revised.</p> Signup and view all the answers

    What is the code word for Indian Railway Standard Drawings related to telecommunication?

    <p>IRS (TC)</p> Signup and view all the answers

    What is suffixed to the number of new designs and drawings accepted for adoption as standards?

    <p>Advance</p> Signup and view all the answers

    Who is responsible for issuing Indian Railway Standard Drawings?

    <p>Director General, Research Designs and Standards Organisation</p> Signup and view all the answers

    Where can Indian Railway Standard Drawings be obtained from?

    <p>Director General (S&amp;T), Research Designs and Standards Organisation, Ministry of Railways, Lucknow</p> Signup and view all the answers

    What is prefixed to the drawing number of a telecommunication equipment assembly?

    <p>TCA</p> Signup and view all the answers

    What is the purpose of maintaining an Index of Indian Railway Standard Signal and Telecommunication Drawings?

    <p>All of the above</p> Signup and view all the answers

    Who is responsible for supplying a set of all IRS (TC) drawings to each Sr.DSTE office, DSTE/ADSTE field office, and to each field supervisor as required?

    <p>Director General, Research Designs and Standards Organisation</p> Signup and view all the answers

    What happens to new designs and drawings before they are finally adopted as Indian Railway Standard Drawings?

    <p>They are suffixed with the word 'Advance' pending their final adoption</p> Signup and view all the answers

    What should be incorporated into lists of standard drawings and specifications every six months?

    <p>Particulars of drawings issued, modified, or cancelled</p> Signup and view all the answers

    What is the correct procedure for modifying Indian Railway Standard Designs?

    <p>Bring defects to the notice of the Director General, Research Designs and Standards Organisation, for examination in consultation with the telecommunication standard committee</p> Signup and view all the answers

    What materials and equipment should be indented in accordance with?

    <p>Indian Railway Standard Drawings and Specifications</p> Signup and view all the answers

    What is the correct procedure for requisitioning materials without an IRS Specification?

    <p>Quote Indian Standard Specifications, TEC or British Standard Specification</p> Signup and view all the answers

    What should be accounted for in the same way as other books of reference?

    <p>Indian Railway Standard Drawings and Specifications</p> Signup and view all the answers

    What is the role of the Director General, Research Designs and Standards Organisation, Ministry of Railways, Lucknow?

    <p>Examining defects and modifications in consultation with the telecommunication standard committee</p> Signup and view all the answers

    What is the purpose of revising Indian Railway Standard Drawings and Specifications?

    <p>To ensure standardisation and consistency in telecommunication equipment</p> Signup and view all the answers

    Who is responsible for ensuring that Indian Railway Standard Designs are followed for all new works?

    <p>The Railway Board</p> Signup and view all the answers

    What type of copies of telecom items must each Sr.DSTE office, DSTE/ADSTE field office and field supervisor have?

    <p>Editable digitized copies</p> Signup and view all the answers

    What is included in the chart indicating the exact location of the emergency telephone socket post?

    <p>Distance from nearby OHE masts No. in RE area and nearby hectometers post No. in Non RE area</p> Signup and view all the answers

    Where can Indian Railway Standard Specifications be accessed from?

    <p>RDSO website</p> Signup and view all the answers

    What is the purpose of maintaining a network diagram of circuits configured alongwith protection path?

    <p>To configure protection paths for important channels</p> Signup and view all the answers

    What type of charts are required to be maintained for maintenance staff of underground telecommunication cables and OFC?

    <p>Charts for maintenance staff of underground telecommunication cables and OFC</p> Signup and view all the answers

    What is included in the telecom items required to be maintained by each Sr.DSTE office, DSTE/ADSTE field office and field supervisor?

    <p>All of the above</p> Signup and view all the answers

    Why are editable digitized copies of telecom items required?

    <p>For easy modification</p> Signup and view all the answers

    What is the purpose of maintaining a network diagram of Railnet alongwith its IP addressing scheme?

    <p>To configure IP addressing scheme</p> Signup and view all the answers

    Study Notes

    Indian Railway Standard Specifications

    • Specifications are reviewed and updated based on experience and feedback from railways and manufacturers.
    • RDSO/SPN is given an IRS number after making an entry into the register when sufficient feedback is received and technological growth is stabilized.

    Other Specifications

    • Specifications issued by Telecommunication Engineering Center (TEC) or the British Standards Institution and the Indian Standards Institution are adopted for items of equipment used for telecommunication purposes where no IRS specification exists.

    Supply of Specifications

    • Each Sr.DSTE office should have a copy of all Indian Railway Standard (Telecommunication) specifications.
    • Copies of British Standard and Indian Standard Specifications that are generally required may also be kept.

    Availability

    • Indian Railway Standard Specifications are obtainable from RDSO’s Railnet and Internet websites.
    • British Standard and Indian Standard Specifications are obtainable from the Director, Bureau of Indian Standard, New Delhi.

    Maintenance of Drawings and Specifications

    • Standard drawings and specifications should be maintained in a block form separately bound in suitable folders.
    • New drawings and specifications should be promptly added to the respective folders, and obsolete or cancelled drawings and specifications must be destroyed.

    Responsibility

    • Each Sr.DSTE office should be responsible for maintaining and updating standard drawings and specifications.
    • DSTE/ADSTE field offices and field supervisors should also have editable copies of telecom items, such as jurisdiction charts, cable route plans, and network diagrams.

    Indian Railway Standard Equipment

    • Indian Railway Standard Designs should be followed for all new works, and no modifications should be introduced without prior approval of the Railway Board.
    • Defects or modifications in standard designs should be brought to the notice of the Director General, Research Designs and Standards Organisation, for examination.

    Requisitioning of Materials

    • Materials and equipment should be indented in accordance with Indian Railway Standard Drawings and Specifications.
    • Indian Standard Specifications, TEC, or British Standard Specifications should only be quoted for items where an IRS Specification does not exist.

    Accountability

    • Section Engineer should be responsible for maintaining and updating standard drawings and ensuring that staff understand and carry out work accordingly.
    • Sr.DSTE should be responsible for ensuring that standard drawings and specifications are up-to-date, obsolete and cancelled ones are destroyed, and staff understand and carry out work accordingly.

    Indian Railway Standard Specifications

    • Indian Railway Standard Specifications for telecommunication purposes are drawn out by Research Designs and Standard Organisation (RDSO), Ministry of Railways, Lucknow.
    • These specifications are issued under a fixed serial number, e.g., TC.12-66, where:
      • TC denotes 'Telecommunication'
      • 12 represents the serial number of the specification
      • 66 indicates the year of original adoption as a standard or the year of last revision

    Preparation and Revision of Specifications

    • New draft specifications are prepared based on directives from Railway Board or requirements of Zonal Railways related to introducing new technology or products.
    • The specifications are circulated to customers and field inspecting units for comments, which are discussed in Telecom Standard Committee (TCSC) meetings.
    • Recommendations made by TCSC are put up to the Railway Board for approval, and after approval, the specifications are modified and issued for use by Railways and other users.

    Important Documents for Telecommunication Items

    • Each Sr.DSTE office, DSTE/ADSTE field office, and field supervisor must have editable copies of the following telecom items:
      • Jurisdictions of maintenance staff, telecommunication equipment maintenance staff
      • Charts for maintenance staff of underground telecommunication cables and OFC
      • Charts showing distribution of section and deputy control telephones
      • Charts of underground cables for local telephone exchanges
      • Telecommunication cable route plan of sections
      • A chart indicating the exact location of emergency telephone socket posts
      • Route plan/locations of VHF stations
      • Route plan of train radio or wireless communication systems
      • Optic fibre and quad cable route plan
      • Network Diagram of circuits configured along with protection path for all important channels
      • Network Diagram of Railnet along with its IP addressing scheme

    Indian Railway Standard Specifications and Other Specifications

    • Approved specifications of Telecom directorate are available on the RDSO website.
    • The specifications are reviewed and updated based on experience and feedback from railways and manufacturers.
    • RDSO/SPN is given an IRS number after making an entry into the register.
    • Other specifications, such as those issued by Telecommunication Engineering Center (TEC) or the British Standards Institution and the Indian Standards Institution, are also adopted for items of equipment used for telecommunication purposes.

    Supply and Maintenance of Specifications

    • Each Sr.DSTE office should have a copy of all Indian Railway Standard (Telecommunication) specifications.
    • Copies of British Standard and Indian Standard Specifications that are generally required may also be kept.
    • Indian Railway Standard Specifications are obtainable from RDSO's Railnet and Internet websites.
    • British Standard and Indian Standard Specification are obtainable from the Director, Bureau of Indian Standard, New Delhi.

    Maintenance of Drawings and Specifications

    • Standard drawings and specifications should be maintained in a block form, separately bound in suitable folders.
    • New drawings and specifications should be promptly added to the respective folders.
    • Obsolete or cancelled drawings and specifications must be destroyed.
    • Torn or defaced drawings should be replaced.
    • Each Sr.DSTE office should maintain a list of all standard drawings and specifications, and addenda and corrigenda slips should be issued regularly.

    Indian Railway Standard Equipment

    • Indian Railway Standard Designs should be followed for all new works, and no modification should be introduced without the prior approval of the Railway Board.
    • Defects in standard designs noticed under service conditions or modifications should be brought to the notice of the Director General, RDSO, for examination in consultation with the Telecommunication Standard Committee.
    • All materials and equipment must normally be indented in accordance with Indian Railway Standard Drawings and Specifications.
    • Indian Standard Specifications, TEC, or British Standard Specification should only be quoted for items for which an IRS Specification does not exist.

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