Ko Sen Kiong
your picture shown, your connection is right.
I think the reason is from 701Server setting.
am not sure if you are familiar with the software.
follow attached detail instruction to check your 701server setting.
COM Port Setting
Click “TCP/IP (No Com Port)”
Click “Polling Message From Controller”
Polling Interval 200ms
Select Lan Base to AR-7xx/8xxE
6. Click right Node ID,
click IP and enter IP address and TCP/IP port as left picture show Note: Pls
first check your 721H node ID num.
The default Node ID is 001
Click “Yes” and exit above setting.
on/off line status
mean device on line
mean device off line