Shunt Signal, LED

 SEM 7.1.19  & GR 3.14

Shunt signal are two types -

Dependent  and Independent 

Shunting can be done only in jurdiction of Staion Master in Station Section . Speed during shunting should be maximum 15 kmph.

For shunt Signal,  tracks,points and LC gates in the route are taken but points in the isolation and overlap are not taken.Birthing track is also not proved.Lowering of Shunt Signal will block conflicting movements of Main and Subsidiary Signal.

Shunt Signal will always come with arrow. White arrow with red background.

Route of the Shunt Signal is from foot of the Signal to Last point zone before birthing.

Implantation 

 (Rail level -1050 mm) - 2135 mm

Above 1050 mm - 2360 mm

Pilot on independent Shunt will always lit ( both in ON and Off )

If main signal is ON,  then only Subsidiary Signal below it, can be lowered.

No Shunt on Home Signal.Shunt on LSS can be placed with permission of CRS.

Shunt movements as far as possible ,be controlled by Shunt Signal.

Outer, Home and LSS shall not be taken off for shunting purpose.

If a Shunt signal is placed below calling on or main signal,it shall not be capable of being lowered at the same time as the relevant stop signal.

If a Shunt Signal and calling on signal are placed below a stop signal.Then sequence of fixing from top will be

Stop Signal (Top)

Calling on

Shunt Signal ( Bottom)

Important points -

For Red LED, non blanking mode is used. LED will lit until illumination is upto 40% of normal illumination.In such case LED will lit at site but ECR will drop because current drawn by Current Regulator shall be less than 40 mA.




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