Act means Railway act ,1989. Block Back - Means to despatch a message from a block station to intimating to block station in rear on a double line, Or Next block station on either side on a single line,that the block section is obstructed or to be obstructed. Shunt Key is the authority for the driver to shunt from Starter upto First Stop Signal of concerned block section.The key authorizes driver to pass Advance Starter at ON during shunting. Block Forward - Means to despatch a message from a block station to intimating to block station in advance on a double line,that block in advance is obstructed or to be obstructed. Substitute for Adequate Distance - 1) Sand hump of approved design 2) Derailing switch under approved Special instructions Minimum Equipment of fixed Signals In Automatic Block territory on single line- Home and Starter IB Section - There are three Push buttons in IB panel. PB 1- To reset Axle counter when IB Home passed at ON P...
