User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 38
11.1.3 Pin out of J2
PIN PIN Nr Description
VDD 20 Supply Voltage
GND 19 Ground
LEDg 18 LED green (reading LED)
LEDr 17 LED red
EN 16 Enable reader, open or logic high
MCLR 15 Master clear
USER 14 User Port
DIR 13 Direction of RS 485
TX 12 TX to PC
RX 11 RX from PC
Figure 11-3: Pin out of jumper 2