4. System Wiring and Connections 4.1 Basic Connection TO Monitor JS_OS1 Shielding Layer of the RVVP Cable 4.2 Electric Lock Connection • • Mode1:Door Lock Controlled With External Power Indoor Monitor Connection Port Note:• 1R 2W 3Y 4B 1.Electronic• lock• of• power-on-to-unlock• shoule•be•used.