Download here for Functional List, Dimension, Technical Specification, and Model Selection. DOWNLOAD Door Control ModuleModel: BS1000-1 Features; Up to 8 BS1000-1 can be connected in a multi-dropped (loop) configuration to the BS610-4 door controller via RS485. Up to 14 BS1000-1 can be connected in a multi-dropped (loop) configuration to the BS610-4L lift controller via RS485 for floor button interface. Address modification via controller without jumper setting. Build-in watchdog to prevent the system from locking up and provides auto recovery. Silk screened terminal legend and plug-in terminal connectors.