2. The green light flasing ( don’t waiting until it alarm), disconnected D1 & GND .
3. A alarm sound means the machine convert to WG34 card reader.
8. Wiring diagram
8.1. Common power supply diagram
Figure 1
Note: Please change the operating mode when use access control machine as
access control rader, TXD and RXD is Data copying interface, two hosts can be
copied each other, when access wiring should set two TXD and RXD reverse
operation.
8.2 Special Power connecting program
