LiftMaster Dial Code Dial Code LC and VF Series Manual - Page 20

RS485 STAR CONNECTION EXAMPLE Remote Access RS485 COMMUNICATOR CARD capacity Elite Entry Phone Main M ard Slot RS485 Memory Card Slot Use 22 AWG Twisted Pair Shielded Wire Keypad RS485 Remote Device 1 (+) (-) Ground RS485 Card Release Button NOTE: To support RS485 devices you must insert the RF communicator card in the RS485 memory card slot BEFORE turning on the processor. Stand-Alone Receiver RS485 Remote Device 2 (+) (-) Ground TEL LINE RS485 (1) RS485 (2) RS485 (3) RS485 (4) TIP RING (+) (-) GND (+) (-) GND (+) (-) GND (+) (-) GND 12V AC/DC POWER INPUT DOOR-NO DOOR-NC DOOR-C GATE-NO GATE-NC GATE-C RELAY GATE RELAY DOOR VCR-NO VCR VCR-C RELAY CHASSIS GROUND GND INPUT POSTAL/EXIT SW INPUT Universal Interface Board RS485 Remote Device 3 (+) (-) Ground It is MANDATOYR that this unit is properly grounded. The provided "chassis ground" wire must be connected to the ground rod. If unit is not grounded, lightning damage will occur. Please refer to the owners manual for proper grounding instructions. eliteentryphone.com MADE IN USA POWER GTAE RELAY DOOR RELAY Card Reader RS485 Remote Device 4 LC/VF Page 19 (+) (-) Ground