Route controller. Several solenoid accessories can be switched with the press of a button. The Memory stores in each of 24 routes the position commands for up to 20 turnouts or signals. A maximum of 4 Memory units can be used with a Control Unit. Position commands are entered with a Keyboard or an Interface. Operation is also possible without the accessory controllers. Routes currently called up are indicated by LED's. The routes and the last current status for the unit remain in stored in memory after the layout's power is shut off. The Memory is suitable for automatic operation. Dimensions 135 x 120 x 80 mm / 5-5/16" x 4-3/4" x 3-1/8".