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One Control Switch (OCS) panel

A separate switch/button is provided for every signalled route. There will be as many switches/buttons per signal as there are routes (i.e. signalled destinations) from that signal. To set the desired route, the relevant switch or button is operated. All points within the route are automatically set to the required position.

Individual points switches are provided, but they are normally left in the central position, which allows the points to be automatically set by the action of setting a route.

http://en.wikipedia.org/wiki/Signalling_control


Last edited by GeoffM on 15/09/2016 at 03:00