User manual LIFT-MASTER RS 485

[. . . ] E A R T H G R O U N D R O D I N S TA L L AT I O N Proper grounding gives an electrical charge, such as from an electrical static discharge or a near lightning strike, a path from which to dissipate its energy safely into the earth. [. . . ] Never splice two wires for the ground wire. If you should cut the ground wire too short, break it, or destroy its integrity, replace it with a single wire length. The earth ground rod must be located within 3 feet from the equipment being grounded. to equipment to be grounded 12 gauge wire For the correct depth, consult the local code Warning: Not responsible for improper installation or failure to comply with all necessary local building codes. 1 4 2 5 8 3 6 9 RS 485 SURGE SUPPRESSOR WIRING It is important that the chassis grounds on the suppressor, RS 485 device and Phone system are properly grounded. (Refer to Earth Ground Rod Installation. ) 1 Install surge suppressor module within 5 ft of equipment to be protected. side of the surge suppressor module to the RS 485 port of 2 Connect the IN the equipment to be protected. RS 485 (+) RS 485 (+) RS 485 (-) RS 485 (-) RS 485 (Gnd) RS 485 (Gnd) OUT OUT side of the surge suppressor module to the 3 Connect the the next surge suppressor module. RS 485 (+) RS 485 (+) RS 485 (-) RS 485 (-) RS 485 (Gnd) RS 485 (Gnd) 4 Connect the green "Chassis Ground" of the surge suppressor module to the earth ground rod. Chamberlain Elite Phone System ERASE EXIT PROGRAM 7 ENTER HELP 0 (NOTQequipped with a T built-in surgeI suppressor board) W E R P Y U O SHIFT A Z S X D C F V G B H N J M K L SPACE BAR ' BACK SPACE 9 Pin Comm Port side of 5 Connect the chassis ground of the equipment to the earth ground rod. (Refer to earth ground rod installation for details) Unprotected Side OUT RS 485 (+) RS 485 (-) RS 485 GND Protected Side IN + - Gnd BROWN: RS 485 (+) BLUE: RS 485 (-) YELLOW: RS 485 GND GREEN: CHASSIS GND + - Protected Side 12 Gauge Wire Chassis Ground POWER INPUT 12 Gauge Wire + - Gnd Gnd Chassis Ground Refer to Earth Ground Rod Installation OFF ON TERMINATE RS-485 GND (+) (­) COMM BROWN: RS 485 (+) BLUE: RS 485 (-) YELLOW: RS 485 GND RS 485 GND NC NO DISARM RELAY NC EXIT COM IN RF INPUT COM Unprotected Side OUT RS 485 (+) RS 485 (-) RS 485 GND Protected Side IN BROWN: RS 485 (+) BLUE: RS 485 (-) YELLOW: RS 485 GND Unprotected Side + - Gnd GREEN: CHASSIS GND RS 485 (-) RS 485 (+) OUT GREEN: CHASSIS GND Chassis Ground STRIKE RELAY + - Gnd 12 Gauge Wire Chassis Ground Refer to Earth Ground Rod Installation Refer to Earth Ground Rod Installation For toll free technical support: 1-800-528-2806 RS 485 SURGE SUPPRESSOR MODULE This RS 485 surge suppressor module is specifically designed to prevent damage caused by near-lightning strike or electrostatic discharge on a RS 485 communication port. This module will work on Chamberlain Elite Phone systems (NOT equipped with a built-in surge suppressor board) and all Chamberlain Elite RS 485 devices. [. . . ] All Rights Reserved 114A2917 845 Larch Avenue Elmhurst, Illinois 60126 IN SURGE SUPPRESSOR MODEL: TAR4SS RS 485 TM www. chamberlain. com [. . . ]