Section 10 – Access Control10-3Part PurposeTXD and RXD LEDs Indicates the ACIU communication status as follows:• TXD LED - flashing when the ACIU is transmitting.• RXD LED - flashing when the ACIU is receiving.Tamper Space is provided for adding a tamper switch, which must be orderedseparately as a 248116 Tamper Kit.TERMINAL STRIPTB3 FOR POWERING STRIKEOR SOLENOID (NOTE 3)DS2RXDDS1TXDRS-485RS-485 BUS LEDsTXD (YEL) RXD (RED)RS-485 BUSADDRESS JUMPERS(SEE DETAIL "A")JUMPER E10(SEE NOTE 4)E2E3E4E5E6E7E8E9TERMINAL STRIP TB1FOR RS-485 BUSCONNECTIONSJUMPER CONDITIONING SHOWN FOR COMMUNICATION GROUP 4IN COMBINATION WITH UNIT NUMBERS 0 THROUGH 7.E2E3E4E5E6E7E8E90 1UNIT NO.UNIT NO.COMMUNICATIONGROUP NO. 4JUMPER IN JUMPER OUTNOTES:1. RS-485 BUS LEDs:(A) TXD (YEL) FLASHES WHEN ACIU IS TRANSMITTING(B) RXD (RED) FLASHES WHEN ACIU IS RECEIVING.2. A 248116 TAMPER KIT (ORDERED SEPARATELY) MUST BE INSTALLEDFOR UL INSTALLATIONS. CONSISTS OF TAMPER SWITCH PLUSMOUNTING HARDWARE.3. LEAVE JUMPER E11 IN IF POWERING A 12V STRIKE (CARDREADER OR MARLOK KEYREADER). REMOVE JUMPER E11 IF POWERINGA 5V MARLOCK KEYLOCK OR OTHER 5V DEVICE. CONNECT STANDARD3K EOL RESISTOR ACROSS TB3-1 AND TB3-2 IF NOT USING KEYLOCK OR STRIKE.4. REMOVE JUMPER E10 IF USING ON-BOARD 12VDC 0.8AH BATTERY.2 3 4 5 6 7FOR TAMPER(IF USED)SEE NOTE 2GND+ 12VCOMCOM +(BLK) 1(YEL) 3(RED) 2(BLU) 4E1JUMPER E11(SEE NOTE 3)CONNECTION FORON BOARD BATTERYIF USED)TB3BATTERY12 +12 +3 "0"4 "1"5 "A"6 "B"TERMINAL STRIPTB2 FOR READERCONNECTIONSJUMPER E1 (REMOVE JUMPERTO DISCONNECT RS-485TERMINATING RESISTOR)TB2BATTERY AREA12V, O.8AHTB1Figure 10-1: Access Control Interface Unit (ACIU)
