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Centre for Railway Information Systems - Indian Railways

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<strong>Centre</strong> <strong>for</strong> <strong>Railway</strong> In<strong>for</strong>mation <strong>Systems</strong><br />

Chanakyapuri, New Delhi.<br />

Tel:24106717, 24104525, Fax No. 91-11-26877893<br />

Sealed tenders are invited by Managing Director, <strong>Centre</strong> <strong>for</strong> <strong>Railway</strong> In<strong>for</strong>mation<br />

<strong>Systems</strong>, Chanakyapuri, New Delhi-110021 <strong>for</strong> supply of Modems.<br />

S.<br />

No.<br />

Description<br />

of the job<br />

1 Supply , of<br />

Modems<br />

226 Pairs<br />

Modems<br />

Tender<br />

No.<br />

2005/<br />

CRIS/<br />

11150<br />

Due Date of Date of Earnest<br />

submission opening of money<br />

of Tender Tender at<br />

upto 15.00 15.30 HRS.<br />

hrs.<br />

7-3-2005 7-3-2005 Rs. 02<br />

Lakhs<br />

Cost of<br />

Tender<br />

Document<br />

Rs. 2000/-<br />

The tender <strong>for</strong>ms, conditions of contract including specifications and other in<strong>for</strong>mation can be<br />

had from this office during working hours on any working day upto the day of submission of<br />

tender documents on payment of non refundable cost of tender documents as mentioned<br />

above. The cost of tender document should be remitted by Demand/Draft only in favour of<br />

CRIS. The Tender can also be download from CRIS Website www.indianrail.gov.in.<br />

However , at the time of submission of tender, the requisite cost of tender has to be deposited,<br />

failing which tender will not be accepted.<br />

Registrar/CRIS.


Tender No.: 2005/CRIS/ 11150<br />

Dated:14-2-2005<br />

M/s.<br />

Sub : Tender <strong>for</strong> supply of Modems<br />

Sealed quotations are invited <strong>for</strong> supply of 226 pairs of Modems with following<br />

terms and conditions:-<br />

1 Offers must be complete in all respects as per indicated <strong>for</strong>mats.<br />

2 The offer should remain valid <strong>for</strong> a period of 180 days.<br />

3 The tender documents must be submitted duly completed in prescribed<br />

<strong>for</strong>mats. The techno-commercial and financial bid should be submitted in<br />

duplicate in separately sealed envelopes along with the sheet of compliance<br />

<strong>for</strong> the terms and conditions. These should be deposited on or be<strong>for</strong>e 7-3-<br />

2005, upto 1500 hours with Manager/Purchase, CRIS, Chanakyapuri, New<br />

Delhi – 110021 and will be opened at 15.30 hrs. of the same date in the<br />

above office.<br />

4 The tenders received after the time and date specified above shall not be<br />

considered. Offers on original printed sheets will only be considered. Offers<br />

submitted by FAX or in any manner other than specified above shall not be<br />

considered. The bids shall exactly be according to the prescribed <strong>for</strong>mats.<br />

Modifications/rewording of <strong>for</strong>mats shall not be acceptable. All corrections to<br />

be signed.<br />

5 The techno – commercial bid should be in a sealed envelope super scribed<br />

as “Tender <strong>for</strong> the supply of Modems. The techno - commercial bid shall<br />

also contain the required EMD, without which the bid shall be summarily<br />

rejected.<br />

6 The Techno – commercial bid shall have all details but with price column of<br />

the rate schedule blanked out. However, a tick mark shall be provided<br />

against each item of the rate schedule <strong>for</strong> mat to indicate that there is a quote<br />

against this item in the Financial bid.<br />

7 The financial bid shall contain nothing else but prices as per the blank<br />

<strong>for</strong>mat of the rate schedule enclosed.


8 Only those qualifying in the techno – commercial evaluation shall be<br />

called <strong>for</strong> opening of the financial bids. The date of opening of financial<br />

bids shall be intimated to the short listed tenderers in due course.<br />

9 For any clarification related to this Tender you may like to contact.<br />

Manager/Purchase, Dy. Manager/Tele. CHANAKYAPURI, New Delhi.<br />

Telephones 24106717 and 24104525<br />

Enclosed:<br />

Aneexure A- Bio- Particulars<br />

Annexure B – Rate Schedule<br />

Annexure C- Warranty<br />

Annexure D- Pro<strong>for</strong>ma Bank Guarantee<br />

Annexure E- List of Locations<br />

Annexure F – Technical Specifications<br />

(Rakesh Sehgal)<br />

Manager/Purchase


2. Scope<br />

3. Locations<br />

The scope of tender shall include supply and 03 year back – to – bench<br />

Warranty Maintenance of Modems at the respective Zonal HQ offices / sites<br />

specified in Annexure E.<br />

List Enclosed. (Annexure E ) However, the list of sites and Quantity of<br />

equipment to be installed at each site is tentative and subject to change.<br />

4. Qualification Criteria<br />

i) The bidder should be an Original equipment manufacturer (OEM) or an<br />

authorized representative of the OEM. The bidder shall furnish the<br />

Authorization letter from the OEM specific to this tender clearly<br />

mentioning tender number <strong>for</strong> which authorization is being provided. The<br />

bidder should also furnish documentary proof of backend support<br />

including software upgrades and availability of spares <strong>for</strong> a period of 05<br />

years from the OEM of the product offered.<br />

ii)<br />

The bidder shall furnish at least one order <strong>for</strong> supply of similar equipment<br />

of value Rs. 25 Lakhs or above, or two orders with combined value of Rs.<br />

25 Lakhs or above as past experience credentials, the Purchase orders<br />

being placed in the preceding five financial years (i.e. current financial<br />

year and last five financial years) from the date of opening of this tender.<br />

The Purchase Order/Work Order or any other associated document must<br />

specify the total Bill of material (BOM) with item-wise details Similar<br />

equipment means modems ( all types), channel termination units, line<br />

drivers and associated Network management tools/utilities.<br />

iii) Financial Turnover – The turn over of the firm should be at least Rs. 05<br />

crores in the last financial year.<br />

5. Acceptance of the Tenders<br />

i) If the tender submits wrong in<strong>for</strong>mation his tender is liable to be<br />

rejected.<br />

ii) Non – compliance with any of the conditions set <strong>for</strong>th herein is liable<br />

to result in the tender being rejected.<br />

iii) The submission of the tender will be deemed to imply that the tenderer<br />

fully understands the scope of work involved. Any doubts as to the<br />

specifications must be clarified in writing within 2 days prior to the<br />

submission date.


6. Process to be confidential<br />

i) After the public opening of bids, in<strong>for</strong>mation relating to the<br />

examination, clarification, evaluation and comparison of bids, and<br />

recommendations concerning the award of the purchase order shall not<br />

be disclosed to the tenderers or other persons not officially concerned<br />

with such process.<br />

ii) Any ef<strong>for</strong>t by the tenderer to influence the purchaser in the process of<br />

examination, clarification, evaluation and comparison of bids, and in<br />

the decision concerning the contract, may result in rejection of his bid.<br />

7. Clarification of Bids<br />

i) To assist in the examination, evaluation and comparison of bids, CRIS<br />

may ask the tenderer individually <strong>for</strong> a clarification of his bid<br />

including break down of unit rates. The request <strong>for</strong> clarification and<br />

the responses shall be in writing/fax but no change in price or<br />

substance shall be sought, offered or permitted except as required to<br />

con<strong>for</strong>m the correction of arithmetical errors discovered by CRIS<br />

during the evaluation of bids. CRIS may ask the bidder to provide the<br />

offered equipment <strong>for</strong> testing/bench marking during technical<br />

evaluation of the bid.<br />

8. Authorised Signatory<br />

The Signatory of tenderer should attach an authorization certification from :-<br />

- The proprietor in case of “Sole Propritor” firm.<br />

- One of the partners in the case of a “Partnership” firm.<br />

- The regional head in the case of a Limited Company.<br />

- An official of requisite authority in the case of a government<br />

institution.<br />

9. Comprehensive Warranty Maintenance<br />

i) Tenderer shall warranty <strong>for</strong> the proper design, quality and workmanship of<br />

the equipment including successful per<strong>for</strong>mance of the system software as<br />

covered by the tender, <strong>for</strong> a period of 36 months (warranty certificate <strong>for</strong>mat<br />

as per Annexure C).<br />

ii) During the period of warranty, after successful installation, Vendor shall<br />

provide comprehensive warranty maintenance <strong>for</strong> all equipment supplied by<br />

him at the Zonal Rly. HQ Offices specified in Annexure E . The vendor<br />

should attend each Zonal Rly. HQ. Office specified in Annexure E at least<br />

quarterly <strong>for</strong> preventive maintenance call.<br />

iii) The modems shall have back-to-bench warranty support i.e. the repair /<br />

replacement of faulty units during warranty period has to be ensured at the<br />

respective Zonal <strong>Railway</strong> HQ. Offices ( as per List in Annexure E) after the<br />

complaint is lodged at the nearest customer support office.


iv)<br />

The warranty shall commence from the date of delivery and acceptance of<br />

the of Modems at the respective Zonal Rly. office as per Annexure -E<br />

v) The bidder shall furnish detailed site-wise support plan alongwith relevant<br />

details such as list of customer support offices spare inventory etc. and inorder<br />

to provide 03 year warranty maintenance at the Zonal Rly. HQ. Office as per<br />

Annexure –V. This list of customer support offices should include full details<br />

such as postage address / telephone nos. contact nos. of resident engineer /<br />

representative etc.<br />

10. Documentation<br />

Set of manuals and support documents with each Modem shall be made available..<br />

All the Hardware must be accompanied by original documentation and full set of<br />

accessories given by the manufacturer.<br />

11. Inspection:<br />

All the material shall initially be made available at CRIS Office, New Delhi<br />

<strong>for</strong> physical inspection and acceptance as per the ATP specified in the tender.<br />

12. Terms and Conditions <strong>for</strong> Payment<br />

i) 80% of value of items supplied shall be paid by the purchaser on receipt of<br />

the material at respective Zonal HQ offices / sites specified in Annexure E.<br />

ii)<br />

iii)<br />

Balance 20% shall be paid after acceptance alongwith per<strong>for</strong>mance guarantee<br />

bond of equivalent value valid <strong>for</strong> the entire warranty period of 03 years<br />

(<strong>for</strong>mat as per Annexure C). However, no payment will be made till the<br />

submission of per<strong>for</strong>mance Bank Guarantee.<br />

Payment terms acceptable to the Tenderer must be mentioned explicitly.<br />

13. Delivery/Destination<br />

i) All the material shall initially be delivered at CRIS office, New Delhi <strong>for</strong><br />

physical inspection & acceptance. The material will then be delivered to<br />

the concerned authority at the Zonal <strong>Railway</strong> HQ offices as per the<br />

distribution provided in Annexure E of the tender documents. CRIS<br />

reserves the right to change the quantity, locations delivery schedule <strong>for</strong><br />

the equipment.<br />

ii) Tenderers shall ensure that the material is inspected be<strong>for</strong>e despatch to the<br />

iii)<br />

respective Zonal Rly. HQ. Office.<br />

Delayed supplies beyond stipulated period in the purchase<br />

order are liable <strong>for</strong> liquidity damages @ 0.5% per<br />

week restricted to 10% value of the contract at the<br />

discretion of CRIS.<br />

iv) The equipment shall be delivered to the consignee at<br />

respective Zonal Rly.HQ offices / specified in Annexure E<br />

within 4-6 weeks from the date of issue of Purchase Order.


14. Bid Documents<br />

The techno – commercial bid shall include the following documents :<br />

i) Earnest money(refundable) in the <strong>for</strong>m of DD /Bank guaranty of value Rs. 02<br />

Lakhs (valid <strong>for</strong> 180 days) in favour of CRIS, New Delhi.<br />

ii) Tender specific authorization letter from the OEM & documentary proof of<br />

backend support including software upgrades availability of spares <strong>for</strong> a<br />

period of 05 years from the OEM.<br />

iii) Bio-particulars of the tenderer (as per Annexure A) without which the tender<br />

would be summarily rejected<br />

iv) Item-wise Compliance to each of the Technical specifications and vetted by<br />

the OEM with the model and make of the offered product clearly specified.<br />

v) Complete Bill of Material of the offered equipment duly vetted by OEM.<br />

vi)<br />

vii)<br />

viii)<br />

ix)<br />

Documentary proof of having executed at least one order <strong>for</strong> supply of similar<br />

equipment of value Rs. 25 Lakhs or above, or two orders with combined<br />

value of Rs. 25 Lakhs or above as past experience credentials, the Purchase<br />

orders being placed in the preceding five financial years (i.e. current financial<br />

year and last five financial years) from the date of opening of this tender. The<br />

Purchase Order/Work Order or any other associated document must specify<br />

the total Bill of material (BOM) with item-wise details Similar equipment<br />

means modems ( all types), channel termination units, line drivers and<br />

associated Network management tools/utilities.<br />

The bidder shall furnish attested true copies of documents in support of the<br />

item no. 4 (VI) above.<br />

The bidder shall furnish detailed site-wise support plan along with relevant<br />

details such as list of customer support offices spare inventory etc. inorder to<br />

provide 03 year warranty maintenance at the Zonal Rly. HQ. Offices as per<br />

Annexure –E. This list of customer support offices should include full<br />

details such as postage address / telephone nos. contact nos. of resident<br />

engineer representative etc.<br />

Unpriced" Rate schedule" as per Annexure B. of the Tender Document.<br />

x) Attested copies of current income tax clearance certificate.<br />

xi)<br />

xii)<br />

Statement of deviation, if any (with reference to specific clauses of the<br />

requirements.<br />

Any other details considered necessary.<br />

Note:-<br />

i) Tenders unaccompanied with earnest money will be summarily<br />

rejected.


ii)<br />

iii)<br />

iv)<br />

Tenders unaccompanied with Rate Schedule in a <strong>for</strong>m other than<br />

prescribed pro<strong>for</strong>ma in Annexure - B will be rejected.<br />

A Bid received without any of the above mentioned document is liable<br />

to be rejected.<br />

EMD of successful bidder will be <strong>for</strong>feited in case of failure to honour<br />

the contract.<br />

15. Training<br />

The vendor shall provide 02 days training <strong>for</strong> 10 persons related to operations<br />

and maintenance of the equipment supplied at the each Zonal Rly. Hq offices<br />

as specified in Annexure E of the tender documents.<br />

16. Other Terms and Conditions<br />

i) CRIS reserves the right to accept part offer and place purchase order<br />

<strong>for</strong> the part offer.<br />

ii) In case of dispute the decision of Managing Director/CRIS shall be<br />

binding on the parties.<br />

iii) Risk Purchase - in the event of failure to supply, CRIS reserves the<br />

rights to make good the supplies from the market at the risk and cost of<br />

the vendor.<br />

iv) Additional features enhancements offered by the bidder, over and<br />

above the ones asked <strong>for</strong> in the tender documents, shall not be<br />

considered <strong>for</strong> evaluation of bids.<br />

v) The quantity specified in the tender are indicative, which may very<br />

higher or lower. The exact quantity shall be conveyed at the time of<br />

placement of order.<br />

vi) In no case any terms and conditions or technical deviations or any<br />

other amendment shall be included in the financial bid. Any additional<br />

options, terms etc. shall be ignored while evaluating the financial bid.<br />

vii) Both the V.35 and G.703 modems in modem pair shall be operable on<br />

AC power supply. However the G.703. modem shall be operable on<br />

48V DC supply, if so required. The required quantities of G. 703<br />

modems operable on 48V DC supply and G. 703 modems operable on<br />

AC supply, shall be communicated to the vendor at the time of placing<br />

the Purchase order.<br />

17. Consignee – Specified in Annexure E<br />

18. Price Fall<br />

18.1 The prices charged <strong>for</strong> the goods/services supplied under the<br />

contract by the vendor shall at no event exceed the lowest<br />

price at which the vendor sells the goods or offers to sell the<br />

goods of identical description to the any person/organization<br />

including the purchaser or any department of State/Central<br />

Government, as the case may be during the currency of the<br />

contract.


18.2 If, at any time during the said period the vendor reduces the<br />

sale price, sells or offers to sell such goods to any<br />

person/organization including the purchaser or any<br />

department of State/Central Government as the case may be<br />

at a price lower than the price chargeable under the contract,<br />

the vendor shall <strong>for</strong>thwith notify such reduction or sale or<br />

offer to sell to the purchaser and the price payable under the<br />

order <strong>for</strong> supply of material after the date of coming into<br />

<strong>for</strong>ce of such reduction or sale or offer to sell shall stand<br />

correspondingly reduced.<br />

18.3 If there is any reduction in the prices due to the budget of<br />

the central government, the benefit should be passed on the<br />

purchaser.


ANNEXURE-A<br />

B I O P A R T I C U L A R S<br />

1. Name and address of the Bidder<br />

2. Name of Equipment Manufacturer<br />

3. Address of the Equipment Manufacturer<br />

4 Name and address of the officer to whom all<br />

references shall be made regarding this tender<br />

enquiry<br />

Telephone<br />

Fax<br />

5. Collaboration, if any,<br />

6. Turnover of last financial year<br />

7. Any other point tenderer may like to specify.<br />

Signature<br />

Name<br />

Designation<br />

Company<br />

-------------------------------<br />

Date<br />

Date


ANNEXURE-B<br />

RATE SCHEDULE<br />

-----------------------------------------------------------------------<br />

--<br />

Item Name of Item Model Unit Qty. Unit Taxes Total<br />

Remarks<br />

No. Cost if any Cost<br />

(Rs.)<br />

(Rs.)<br />

-----------------------------------------------------------------------<br />

--<br />

(1) (2) (3) (4) (5) (6) (7) (8)<br />

(9)<br />

-----------------------------------------------------------------------<br />

1 Modems 226 pairs<br />

2 Delivery Period (Weeks)<br />

3 Warranty period (Months)<br />

Note :<br />

Rates have to be separately quoted against each item, failing to fulfil this the<br />

tender will be summarily rejected. Taxes extra if any are to be explicitly quoted<br />

failing which the same will not be admissible at a later date.<br />

Signature of<br />

Tenderer<br />

Date


ANNEXURE-C<br />

WARRANTY<br />

We warrant that the equipment to be supplied by us hereunder<br />

shall be brand new, free from all encumbrances, defects and<br />

faults in material workmanship and manufacture and shall be of<br />

the highest grade and equally and consistent with the established<br />

and generally accepted standards <strong>for</strong> material of the type ordered<br />

shall be in full con<strong>for</strong>mity with the specifications, drawings or<br />

samples, if any, and shall operate properly. We shall be fully<br />

responsible <strong>for</strong> its efficient and effective operation. This<br />

warranty shall survive inspection of and payment <strong>for</strong> and<br />

acceptance of the goods, but shall expire 36 months<br />

after their successful installation and acceptance by the<br />

purchaser.<br />

We also warrant that the function contained in the system<br />

software if any will meet the manufacturer's specification<br />

together with any clarifications given by us and that the<br />

operation of these software will be uninterrupted and error free<br />

and all software defects, if any will be corrected by us.<br />

The obligations under the warranty expressed above shall<br />

include all costs relating to labour, spares maintenance<br />

(preventive and unscheduled) and transport charges from site to<br />

manufacturers works and back and <strong>for</strong> repair/adjustment or<br />

replacement at site of any part of the equipment which under<br />

normal care and proper use and maintenance proves defective in<br />

design, material or workmanship or fails to operate effectively<br />

and efficiently or con<strong>for</strong>m to the specifications and <strong>for</strong> which<br />

notice is promptly given by the purchaser to the supplier.<br />

------------------------- -----------------------------<br />

Signature of the Witness<br />

Signature of the Tenderer<br />

Date :<br />

----------------------<br />

Seal of the company


ANNEXURE-D<br />

PROFORMA BANK GUARANTEE<br />

REF :................. Date :..................<br />

To,<br />

Dear Sir,<br />

The Managing Director,<br />

<strong>Centre</strong> <strong>for</strong> <strong>Railway</strong> In<strong>for</strong>mation <strong>Systems</strong>,<br />

Delhi Safdarjung <strong>Railway</strong> Station,<br />

Chanakyapuri,<br />

New Delhi - 110 021<br />

INDIA<br />

Bank Guarantee No.......<br />

1. Against Tender No.. ................<br />

.................... dated ................. covering<br />

supply of .............. <strong>for</strong> FIOS CRIS.<br />

project (hereinafter called the said<br />

'contractor') this is to certify that at the request of the<br />

Contractor we ............... Bank Ltd., are holding in<br />

trust in favour of CRIS, the amount of<br />

.......................(write the sum here in words)<br />

hereinafter called the said amount to indemnify and keep<br />

indemnified CRIS against any loss or damage that may be<br />

caused to or suffered by or resulting to CRIS or to <strong>Indian</strong><br />

<strong>Railway</strong>s by reason of any breach by the contractor of any of<br />

the terms and conditions of the said decision of CRIS,<br />

whether any breach of any of the terms and conditions of the<br />

said contract and/or in the per<strong>for</strong>mance thereof has been<br />

committed by the Manufacturer or Contractor and the amount<br />

of loss or damage that has been caused or suffered by CRIS<br />

or <strong>Indian</strong> <strong>Railway</strong>s shall be final and binding on us and the<br />

amount of the said loss or damage shall be paid by us<br />

<strong>for</strong>thwith on demand and without demur to the CRIS.<br />

2. We, .................... Bank Ltd. further agrees that the<br />

guarantee herein contained shall remain in full <strong>for</strong>ce and<br />

effect <strong>for</strong> a period upto ____ months from the date of this<br />

guarantee hereinafter called (date) and that if any claim<br />

accrues or arises against us ................ Bank Ltd., by<br />

virtue of this guarantee be<strong>for</strong>e the said date, the same<br />

shall be en<strong>for</strong>ceable against us ............... Bank Ltd.<br />

Notwithstanding the fact that the same is en<strong>for</strong>ced within<br />

six months after the said date, provided that notice of any<br />

such claim has been given to us ............. Bank Ltd. by<br />

CRIS be<strong>for</strong>e the said date. Payment under this letter of<br />

guarantee shall be made promptly upon our receipt of notice .<br />

3. It is fully understood that this guarantee is effective from


the date of the said contract and that we ................<br />

Bank Ltd. undertake not to revoke this guarantee during its<br />

currency without the consent in writing of CRIS.<br />

4. We undertake to pay to CRIS the said amount so demanded<br />

notwithstanding any dispute or disputes raised by the<br />

contractor in any suit or proceedings pending be<strong>for</strong>e any<br />

court or Tribunal relating thereto our liability under this<br />

present bond being absolute and unequivocal.<br />

The payment so made by us under this bond shall be a valid<br />

discharge of our liability <strong>for</strong> payment thereunder and the<br />

contractor shall have no claim against us <strong>for</strong> making such<br />

payment.<br />

5. We ................. Bank Ltd. further agree that CRIS shall<br />

have the further liberty, without affecting in any manner<br />

our obligations hereunder to vary any of the terms and<br />

conditions of the said contract or to extend time of<br />

per<strong>for</strong>mance by the contractor from time to time or to<br />

postpone <strong>for</strong> any time or from time to time any of the powers<br />

exerciseable by CRIS against the said contract and we<br />

.................. Bank Ltd. shall not be released from our<br />

liability under this guarantee by reason of any such<br />

variation or extension being granted to the said contractor<br />

or <strong>for</strong> any <strong>for</strong>bearance and/or omission on the part of CRIS<br />

or to the said contractor or by any other matter or thing<br />

whatsoever which under the law relating to sureties would<br />

but <strong>for</strong> this provision have the affect of so releasing us<br />

from our liability under this guarantee.<br />

6. This guarantee will not be discharged due to the change in<br />

the constitution of the Bank or Contractor.<br />

Date ........................<br />

Place ....................... Signature ..................<br />

Witness ..................... Printed Name ...............<br />

.............................<br />

(Designation)<br />

.<br />

-----------------------------<br />

Bank's common seal


ANNEXURE -E<br />

Distribution of 226 Modem Pairs<br />

<strong>Railway</strong> ( HQ. )<br />

Lease Line Modem<br />

Description Total (Pairs)<br />

CR ( Mumbai ) 64 Kbps 38<br />

NE ( Gorakhpur ) 64 Kbps 4<br />

NF ( Maligaon ) 64 Kbps 15<br />

SR ( Chennai ) 64 Kbps 28<br />

SCR ( Secunderabad) 64 Kbps 44<br />

( 30 nos. DC model of<br />

G.703 )<br />

WR ( Mumbai ) 64 Kbps 49<br />

NR ( New Delhi ) 64 Kbps 4<br />

ER ( Kolkata ) 64 Kbps 4<br />

SER ( Kolkata ) 64 Kbps 4<br />

CRIS ( New Delhi ) 64 Kbps 36<br />

Total 226<br />

Officers nominated to receive the above modems will be<br />

Dy.CNM/FOIS of respective <strong>Railway</strong>s


ANNEXURE-F<br />

Technical Specifications <strong>for</strong> 64 Kbps Modems ( V.35 & G.703 )<br />

The modems should con<strong>for</strong>m either to TEC Specifications no. IR/DCA – 18/02, June<br />

1999 or to TEC Specifications no. IR/DCA – 18/03, Feb 2002 (in which case<br />

specifications pertaining to IEEE 802.3 Ethernet 10/100 Base Tx Interface viz. Clause<br />

no. 2.1(iv), 2.3 & 7(v) of the TEC specifications are not applicable ) with the<br />

following qualifications/addendum.<br />

1) Clause no. 2 : Digital Interface :<br />

a) Item 2.1 (iii) is not applicable<br />

b) Item 2.2 : Speed Support<br />

The speed/s supported at Digital Interface/s shall be with any<br />

combination of<br />

64 Kbps between 64 Kbps to 128 Kbps.<br />

2) Clause no. 7 : Items to be Specified in the Interface Approval Certification<br />

:<br />

a) Item 7(i) : Digital Interface/s supported in the equipment<br />

V.35 via 34-pin Female Connector with one modem<br />

G.703 interface with other modem in modem pair<br />

b) Item 7(ii) : Whether single pair, 2 pair or multi pair working<br />

2W unloaded twisted pair working<br />

c) Item 7(iii) : Highest bit rates of the digital interfaces supported<br />

The highest bit rate of digital interface supported shall be upto 128 Kbps<br />

d) Item 7(iv) : Maximum distance coverage<br />

On 0.5 mm diameter underground cable (unloaded), the modem should<br />

work upto a minimum of 5.5 kms of distance <strong>for</strong> 64Kbps data<br />

rate.<br />

3) Clause no. 8 : References :<br />

ITU – T recommendations K.21, G-703 and V.35 are applicable in this case.


4) The modem shall support following management / diagnostic features :<br />

a) Front Panel indications <strong>for</strong> PWR(Power), TD(Transmit Data), RD<br />

(Receive Data), TEST (To indicate test mode), DCD ( Data Carrier detect),<br />

Alarm / Error .<br />

b) i) Local Analog Loop Test ( <strong>for</strong> self test of modem)<br />

ii) Local Digital Loop Test ( to provide Loop test to the remote modem on<br />

local loop)<br />

iii) Remote Digital Loop Test ( to take Loop test from the remote modem<br />

on local loop) without requiring the manual assistance of any personnel<br />

at remote end<br />

c) Built in Bit Error Test using test pattern con<strong>for</strong>ming to ITU-T V.52<br />

(511 test pattern) or ITU-T O.152 (to enable testing of the modems and<br />

the local loop)<br />

5) In a modem pair, both the modems with V.35 & G.703 interface shall be<br />

operable on normal AC supply. However the G.703 modem shall be<br />

operable with 48 V DC supply, if so required<br />

6) Certification :<br />

Valid and duly attested copy of TEC approval certificate issued to the offered<br />

modem product <strong>for</strong> both V.35 & G.703 interface units.<br />

Acceptance Test Procedure <strong>for</strong> Modems :<br />

1. Physical Inspection and Testing <strong>for</strong> compliance to Item nos. 2, 4 & 5 of<br />

the technical specifications except Item 2(c) & 2(d) :-<br />

2. TEC approval certificate to verify compliance to Item nos. 1, 2(c), 2(d),<br />

3 & 6 of the technical specifications :-

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