LiftMaster EL2000 EL25 - INSTALLATION Manual - Page 23

Powering Up and Checking the LEDs 1 2 7 D300 J405 3 4 5 J201 MIC J500 J406 LCD 6 J403 8 Wiring Power and Powering Up Unit H2 100A UD H2 100A UD J401 11 12 J301 D2 3D2 100 16B D102 D153 3D2 3D2 100 100 16B 16B H2 100A UD 9 10 J404 3D2 100 J400 16B J407 SW300 D513 D514 J300 15 + DEVICE 3,4 DEVICE 1,2 3D2 100 16B No. Type 1 LED 2 Connector 3 Connector 4 Connector 5 Connector 6 Connector 7 Connector 8 LED 9 LED 10 LED 11 Connector 12 Connector 13 Connector 14 Connector 15 Connector 16 Connector 17 Switch 18 LED 19 LED 20 Connector 21 Connector 22 Switch BT300 16 13 J402 LEDJ200 SPKR OV UV 17 18 19 20 21 22 14 Board Label D300 J405 J500 J406 J201 J403 J401 D2 D102 D153 J301 J404 J407 Used on Model EL25 EL2000 X X X X X X X X X X X X X X X X X X X X X X X X X Name PWR LED 20-Pin Connector to IO Input Board LCD PWR EL25=LED BOTTOM KEYPAD EL2000=LED keypad MIC 14-Pin Connector to Output Board KEYPAD Local Mode RES DAA OFF HOOK TELCO DAA OFF HOOK Direct Connect (Serial Port) LED Power Supply Module Device (3,4) J400 X X Module Device (1,2) J300 BT300 X SW300 X X LCD Data X Battery X OV/UV Reset D513 X X Over-Voltage (OV) D514 X X Under-Voltage (UV) J402 X J200 X SW500 X LED TOP KEYPAD X Main Speaker X Soft Reboot Description Indicates Unit is receiving power Connector to IO Input Board. The IO Input Board contains all REX inputs, DSC inputs and Postal input, Auto Sensor input and Power. Provides power to LCD Display. For the EL25 provides power to bottom lighted LEDs for the main keypad. On the EL2000 this is the top lighted LEDs for main keypad. Microphone connector Connector to the Output Board. The Output Board contains the Resident, Telco and dry contact Relays. Connector for the main keypad Unit supplying Central Office Power to Resident Resident side of circuit is off hook Telco side of circuit is off hook Used for direct connect and handheld programming and Real Time Monitoring. Connect a module (Wiegand or RF) device here. The device address becomes 3 (RF or Wiegand-J1) or 4 (Wiegand-J2) Connect a module (Wiegand or RF) device here. The device address becomes 1 (RF or Wiegand-J1) or 2 (Wiegand-J2) Data wires for LCD Display Battery used to back-up the Unit's real time clock. Switch to turn off OV/UV LEDs. This button will turn off the OV/UV LEDs momentarily. If a poor power condition still exists then the OV or UV LEDs may turn on again. Over-Voltage LED. Turns on when the Unit detects an over voltage of 16.5 VAC or 22.3 VDC at power block J1. Measure the voltage at power block J1 to confirm. Under-Voltage LED. Turns on when the Unit detects an under voltage of 9.5 VAC or 10.2 VDC at power block J1. Measure the voltage at power block J1 to confirm. For the EL25, provides power to the top lighted LEDs for main keypad. Main Speaker Reboots firmware without removing power. Page 21