Bhaisaab ..IR signalling system ko jaano ..phir baat karo..
Read about gate signalling system ..
Faaltu ka behes kiyr jaa rahe ho ..
Yaatoh advance/ home signal merge rehta hain gate signal sey agar lc ka distance bahut kum hain ..ya phir intermediate block key saath merge hota hain .. ya phir individual hota hain ..
Direct...
more... gate key operation sey judaa hota hain .. agar gate khulaa hain toh wah signal red hi rahega .. green nahi hoga .. gate band hotein hi signal amber ya green hoga .. hasney sey kuch nahi hoga .... Jaakar mfp key lc key aagey aur perchey dekho .. pta lag jaayega ..