Add the Device on the ACS server 
 
1.  Navigate to Home > Manage Devices > Add Device and fill in the add device form, then click Manage Devices. 
 
 
Figure 3: Register TR-069 CPE serial number on ACS 
 
 
2.  Click the Add Device link. 
 
Figure 4: Add Device link 
 
 
The serial number is the last 6 digits of the MAC address of the device. 
 
Figure 5: Adding the device to the ACS Server