OBID i-scan® Installation ID ISC.ANT1700/740-A /-BFEIG ELECTRONIC GmbH Page 74 of 74 M91201-5e-ID-B.doc9.1 Internal wiringTerminal Acronym DescriptionX1 / LR 24V DC ReaderX1 / Pin 1 X13 +24 V DC Reader (red)X1 / Pin 2 GND X13 GND Reader (black)X2 / I/O 24V DC Input/OutputX2 / Pin 1 Reader LR2500 X2 Pin Out2-C (white)X2 / Pin 2 GND Reader LR2500 X2 Pin Out2-E (black)X3 / MUX 24V DC MultiplexerX3 / Pin 1 X1 +24 V DC Multiplexer (red)X3 / Pin 2 GND X1 GND Multiplexer (black)X5 / I/O Relay OutputX5 / Pin 1 Reader LR2500 X2 Pin REL3-COM (blue)X5 / Pin 2 Reader LR2500 X2 Pin REL2-COM (yellow)X5 / Pin 3 Reader LR2500 X2 Pin REL1-COM (green)X6 / LED 1 LEDX6 / Pin 1 LED X1 + (green)X6 / Pin 2 GND LED X1 - (yellow)