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6 quad cable - nomination

6 quad cable - nomination. Third Line. Stn-A DL BLOCK UD BLOCK UP IBAC ENTRY DISPLAY DN IBAC EXIT DISPLAY UPBPAC ENTRY DISPLAY DN BPAC EXIT DISPLAY UD BPAC ENTRY DISPLAY LC GATE IB PHONE. Stn-B DL BLOCK UD BLOCK DN IBAC ENTRY DISPLAY UP IBAC EXIT DISPLAY DN BPAC ENTRY DISPLAY

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6 quad cable - nomination

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  1. 6 quad cable - nomination Third Line

  2. Stn-A • DL BLOCK • UD BLOCK • UP IBAC ENTRY DISPLAY • DN IBAC EXIT DISPLAY • UPBPAC ENTRY DISPLAY • DN BPAC EXIT DISPLAY • UD BPAC ENTRY DISPLAY • LC GATE • IB PHONE • Stn-B • DL BLOCK • UD BLOCK • DN IBAC ENTRY DISPLAY • UP IBAC EXIT DISPLAY • DN BPAC ENTRY DISPLAY • UP BPAC EXIT DISPLAY • UD BPAC EXIT DISPLAY • LC GATE • IB PHONE UP IBAC ENTRY UP IBAC EXIT up UP BPAC EXIT UP BPAC ENTRY Up and down line UD BPAC ENTRY UD BPAC EXIT DN BPAC EXIT DN BPAC ENTRY down DN IBAC EXIT DN IBAC ENTRY • IB Hut • IB Phone • RTU • IB AC EXIT • BPAC ENTRY • LC Gate • Phone • RTU

  3. PROPOSED 6 QUAD ALLOCATIONS

  4. Advantages of the proposed allocations over approved allocations • Same quads of different cable are used for redundancy there by wiring and change over becomes easy. • Alternate path is provided for double line block working, IB Phone and LC gate also. • In Non IB sections, the Quad 2 will be used for BPAC with redundancy. • If new quad cable is defective, the third line is only non-functional. • If existing quad cable is defective, the functions can be changed over to the nominated pair in the new cable. This will reduce MTTR. • Existing approved nomination does not cater for redundant axle counter working for IBS.

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