Tender for Supply Of Universal Fail Safe Block Interface For Double Line Complete With All Accessories As Per Rdso's Specification No.irs:s-105/2012 (ver.0), Each Block Section Mainly Comprises Of1. Dc-dc Converters- 2 Sets 2. Ufsbi Digital System- 2sets3. Relay Rack With Due Locking & Sealing Arrangement Including Relays Qn1 = 38 Nos., Qna1 = 14 Nos., Ql1 = 4 Nos, Timer = 2 Nos. 4. Block Panel Complete With Accessories As Rdso Drg. No. Rdso/s/32017 Or Latest Amendment- 02 Nos. 5. Block Telephone With Accessories. The Block Phone Should Work Without Any Interruption After Auto Changeover Necessary Modem For Quad And Optical Fiber Cable Working Should Be Supplied Along With Auto-changeover Arrangement (1 Bock Section=1set)(used In Gaga) in Katihar - Bihar

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