User's Manual

5
No. Indicator Definition Function
1 RUN
It quickly flashes twice every 3 seconds: This
indicates that the host machine is in BOOT status
(for software upgrade and factory configuration).
It quickly flashes once every 3 seconds: This
indicates that the host machine is in APP status
(normal operation status).
2 HOST
The red light flashes: This indicates that the host
machine is receiving data from the upper computer.
The green light flashes: This indicates that the host
machine is sending data to the upper computer.
3 SLAVE
The red light flashes: This indicates that the host
machine is receiving data from a slave machine.
The green light flashes: This indicates that the host
machine is sending data to a slave machine.
The indicators on a slave machine are described as follows:
1
2
3