Do you have a question about the SMART/RG SR360n and is the answer not in the manual?
Connect DSL, Ethernet, and power cables to the gateway.
Turn on the gateway and wait for automatic internet connection setup.
Access the gateway's interface via web browser and authenticate.
Configure wireless settings using WPS or manual method.
Learn the meaning of different LED lights on the gateway.
Note down your WiFi network name (SSID) and password.