LiftMaster EL2000 EL25 - INSTALLATION Manual - Page 16

Connection To An NPBI System Single Unit Sentex Ovation Unit Never run Telco wires and High Voltage wires in the same conduit. The high voltage wires may interfere with the Telco wires, possibly causing the system to malfunction. Use 18-24 AWG 2 twisted pair RES J6 Ring TELCO Tip J8 IO Output Board NO LED 4 J5 NC C RELAY 4 NO J4 NC LED 3 C RELAY 3 NO J3 NC C LED 2 NO RELAY 2 NC J1 C LED 1 RELAY 1 Connection To A NPBI System Multiple Units (Up to 7) IMPORTANT: You must program the Unit ID's for each unit wired in the series. See Keypad Programming Manual. To next unit (Unit ID 5 then 4 etc.) Unit ID 1 is farthest away from Telco Box) Ring RES Tip J6 Ring TELCO Use 18-24 AWG 2 twisted pair Tip J8 Unit ID 6 Output Board (See page 6) Sentex Ovation Unit Ring RES Tip J6 Ring TELCO Tip J8 Unit ID 7 Output Board (See page 6) IO Output Board IO Output Board NO LED 4 J5 NC C RELAY 4 NO J4 NC LED 3 C RELAY 3 NO J3 NC C LED 2 NO RELAY 2 NC J1 C LED 1 RELAY 1 NO LED 4 J5 NC C RELAY 4 NO J4 NC LED 3 C RELAY 3 NO J3 NC C LED 2 NO RELAY 2 NC J1 C LED 1 RELAY 1 Page 14