Check the connection status of the device when related equipment is wiring complete. First, make sure the COM Port as following – My Computer-Properties-Hardware-Device Manager-Ports.
 From the above chart shows that port is COM3.

Serial Port
There are two ways to open the Communication Port setting window:  and 
Step 1. By the computer Detection results to select the port: COM3 (refer to My Computer-Properties- Hardware-Device Manager-Ports).
Step 2. Selection the options: Polling Message From Controller.
Step 3. Polling Interval: 200ms, the PC will inquiry messages from controller every 200ms.

LAN Configuraton
There are two ways to open the Node Number for Polling window: and 
Step 4.Select node ID and access controller
Step 5.Select LAN BASE.
Step 6.Press YES

NOTE :
In Node Number for Polling window only for AR-829E and AR-716E be set, because AR-727H and AR-721H which connected under Multi-Door Networking Controller (AR-716E), must enter to set parameters.
※ Node Range: total is 256 groups, each group can display 7 node ID data

Controller On/Off Line
Open Controller On/Off Line window to check the device connection status: 
Step 7. Click  to check the access controller item No and amount of access controller. If the icon front of item No is   that mean controller successfully connected to PC and find the 701Server icon   right at the bottom of taskbar and flashing.

NOTE
 Well: controller successfully connected to PC.
 Not connected well: it recommended to check the followings and must see  to do the further settings.
1.Check if the line is broken
2.Check if the number of settings are correct.