Taper dynamic brake system provided retardation relative to both speed and dynamic brake handle position. The higher the speed the greater the retarding force developed for a given handle position. At higher speeds, full dynamic brake effort is reached at position 4.
A system of components that determines the rear car brake pipe pressure and transmits that information to the display on the controlling unit.
A 2-way ETD transmits and receives information between the head-end and rear-end units. The additional purpose of a 2-way ETD is to provide a way to initiate from the locomotive an emergency brake application at the rear of the train. For this to happen, both the head-end and the rear-end units must be equipped for two-way communication and armed (emergency enabled). An emergency toggle switch associated with the ETD cab display is used to activate the ETD emergency valve located on the rear-end.