~lTele • 2492 XXX• 2493 XXX

~/Fax: 91-0522-2458500

'iffif ~ - m·~~m:; ~ 3fu~Wlo-!

~- 226011Goverrunent of India-Ministry 01 RailwaysResearch Designs & Standards Organisation

Lucknow • 225 011

I'.A:S ISO 90(1ICERTIFIED

ORGANISATlO~

No.: STTIDClMUXlPro-Test/245 Vol-XIX Dated: 04-10-20161. The CSTE, CSTEIConst.: -m.~.tt,~., -m.~.tt,~/f.1I!fur" :

(i) Central Rly., Mumbai, CST - 400001 if&!" ~, ~ -m.~.tt.- 400001

(ii) Western Rly, Churchgate, Mumbai - 400020 qWqq m, ~ ltc, ~ - 400 020

(iii) Eastern Rly., Fairlie Place, Kolkata 700001 ~ ~, ~ ~, cit(1tCfJldl 700001(iv) South Eastern Rly., Garden Reach, Kolkata ~ ~ ~, 1f1i-;:r TIer, cit(1CfJldl 7'00 043

(v) Northern Rly. Baroda House, New Delhi- ~m, .~, ~~-110001110001

(vi) North Eastern Rly., Gorakhpur- 273012 ~~, 11l{@8/ 273012

(vii) North East Frontier Rly., Maligaon, Guwahati ~ ~ ~, lii(,llllfcl, ~ 781011

(viii) Southern Rly. Park Town, Chennai - 600003 ~ ~, I:JTC6?B1, ~ - 600 003

Ox) South Central Rly., Secunderabad 500371 ~ if&!" m, R1CfJ~{lajlC; 500371(x) East Central Railway, Hajipur ~if&!"~, ~

(xi) East Coast Railway, Rail Vihar BDA Rental ~ dil<r ~, ~ W Gft.it .Q;. ~ CfiRilFft,Colony, Chandrasekharpur, Bhubneshwar ~~, ~~CIT-751023

(xii) North Central Railway, Hastings Road, ~ if&!" m, ~ -US, ~(1mlajlc;Allahabad.

(xiii) North Western Railway, Jaipur - 300206 ~ m~ ~, ~-300206(xiv) South Western Railway, Club Road, ~ ~ ~, CR'fGT-US, c5~TCfT, ~-23

Keshavpur, Hubli - 23.(xv) West Central Railway, Annex Building, ~~ if&!" ~, ~ 'l1cH, ~

Opp Indira Market, Jabalpur-482068

(xvi) South East Central Railway, R.E. Office ~ ~ if&!" ~, \31RO~O~ CfJIl'q(Tlcru , \"G1(1I(18){-Complex, Bilaspur - 495004 495004

2. The CSTE, Metro Railway, 23-A, Jawaharlal -m.~.tt,~./ ~ ~, 23-Q;, ~ (ifT(if" ~ -US,Nehru Road, Kolkata - 700071 chl(1CfJldl - 71

3. The CSTE, CORE, Nawab Yusuf Ali Road, -m.~.tt,~./ ~, "fClTGr ~ ~ -us, R1fcK;r ~,Civil Lines, Allahabad ~@$Iajlc; 211001

4. The Director, IRISET, Tarnaka Road, ~TCO/~/R1chC;{lajlC; 500017Lallaguda (P.O.), Secunderabad-500 017

5. CAOIIRPMU IRCOT Building, Behind -m.Q;.,*./~.\31R.tfi.Q;lf.,!./~ ~/~iCfJ""{ fiShanker Market, New Delhi. c5 qm/~~

6. MD, RaiiTel Corporation of India Ltd., 10m ~~ ~~TCO, ~ ~~R \31T1:fi~~, 10mFloor, Bank of Baroda Building, Parliament ~, ~ \31T1:fi• 'l1cH, qIMlfl~;::C ~, ~ ~Street, New Delhi

Sub.: Amendment No.1 to Specification No. IRS/TC/68/2012, Rev. - 0 for "Indian RailwayStandard Specification For Primary Digital Multiplexing Equipment".

*****In reference to above, the Specification No. IRS/TC/68/2012, Rev. - 0 for Indian

Railway Standard Specification For Primary Digital Multiplexing Equipment has been amendedand Amendment No.1 to specification IRS/TC/6812012, Rev. - 0 has been issued with approvalof competant authority.

A copy of Amentment No.1 is enclosed herewith for your reference and forimplementation with immediate effect.

Further it is informed that specification No. IRSITC/6812012, Rev. - 0 for Indian RailwayStandard Specification For Primary Digital Multiplexing Equipment is now "ffiSrrC/6S/2012Rev.O with Amendment No. I" .

~. ]"\'"(AnuragG I)·Director/T ele-ill

For Director General

Copy to:

Ct.>1JCt.>1~ ~~TCO/'.l!0ldITII 3{Wdl~ Executive Director/QAlS&TIRDSOILKOsroeroarrozto , cHSlG!3~I

~~TCO I '.l!0ldml 3{Wcn~ IR.'! JIG!C1 l:!Ci" ~ .•.•..•.•.~ql""', Director/QA/S&TIRDSO, 1st Floor, IRCOTsro sroarrozto. ~~, ~~ ~ cf.; Bldg., Shivaji Bridge, NewDelhi-110 001~,art ~.11 0 001~~TCO/'.l!0ldml 3IT~CfRJGf~ l:!Ci" 'kUhll,.,., Director/QA/S&TIRDSO, 1st floor, New3{03{omocRO, ~~ (fC'I", ~ QG!Cf~fl fdlPc<iJI, Annexe Bldg., W. Railway, Churchgate,~, ~~~, ~.400 020 MumbaiAOO 020~~TCO/'.l!0ldm I 3IT~CfRJGfIR.'! JIG!C1 l:!Ci" 'kU-i"lI"", Director/QA/S&TIRDSO, Ground Floor,srooroarrozio , ~~ tT03lROTId'fO ~" DRM Office, Bangalore-560 023csiJI(.·;h - 560 023~~TCO 1'.l!0ldITII 3IT~CfRJGfIR.iJ IG!C1 l:!Ci" 'kU-i"lI"\!, Director/QA/S&TIRDSO, 4th Floor, 17 N.S.3{o3{omocRo, '<i'rclt ~, 17 TIGf.lR1. ~, Road, West Wing, Fairlie Place, Kolkata-700~ ffidr, lBi!I""cfl ~, cb) C1Ct.>1<11 - 700 001 001

~~TCO 1'.l!0ldITII 3IT~CfRJGfIR.'! JIG!C1 l:!Ci" ~U:j"ll"", Director/QNS&TIRDSO,Hasanpura Road,arosrosrrozto. ~ ~--302006 In Front of Railway Hospital

JAlPUR-302006

I---

I~~ Cfl'9fc:lch{lGi ~fcR~5 Mis Punjab Communications Limited.,~-I?,~, ~- VIII, $5~'lI(>I ~, B-91, Phase-VIII, Industrial Area, SAS

{lR1 ~, ~, :J5IJIOHf.ool.9~Nagar,Mohali, Chandigarh-160071.

~ c)cilfln(>l ~fcR~5 Mis Webfil Limited

~~,t, Yule House, 8,

sT. ~ ~ ~, Ch1(>1Cflk"ll-I.9Oooo~Dr. Rajendra Prasad Sarani, Kolkata-70000 1

~ ~ ~<'1ICflI<A~fcR~5 Mis Coral Telecom Limited~o~ /".(, $tZlq:S;Jfc:lCfl CflICFLtZl"l"{l 404/2, Electronic Complex,

~kllt:llc, ~ (~.Q".)Chambaghat, Solan (H.P.)

~;£~For Director General

Amendment No.1To

Specification No. IRS:TC:68/2012, Revision 0of

INDIAN RAILWAY STANDARD SPECIFICTION FOR PRIMARY DIGITALMULTIPLEXING EQUIPMENT

Following Clause is added to the Specification No. IRS:TC:68/2012T Revision 0

Clause No. 17.

"All the provisions contained in ROSO'sISOprocedures laid down in Document No. QO-0-7.1-11dated 19.07.2016 (titled "Vendor-Changes in approved status") and subsequentversions/amendments thereof, shall be binding and applicable on the successfulvendor/vendors in the contracts floated by Railways to maintain quality of products supplied toRailways".

Endof Amendment No.1