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What is Token Exchange? 1 Answers What is Token Exchange? Dec 31 2017 (12:27) Blog Post# 2956264-1 Diesel_Express^~ Added by: jishnuthakur12301^~ Dec 31 2017 (12:30) In railway signalling, the ring (A large one made of metal or bamboo with a small leather pouch attached to it. A written communication will be placed in the leather pouch.) is a token — a physical object which a locomotive driver is required to have or see before entering onto a particular section of single track. |