DVG-N5412SP User’s Manual                Telephone Interface Description 
D-Link Systems, Inc.                5 
1-2 Hardware Description 
Front Panel 
 
 
Power: Power LED. A steady light indicates a proper connection to a power source. 
Prov./Alm.: A blinking light indicates the DVG-N5412SP can not register with SIP Server or can not get the 
IP address. A blinking light also indicates the DVG-N5412SP is attempting to connect with the Provisioning 
server. Once the service connects, the LED will turn off. The LED will light solid red if the self-test or boot-up 
fails.  
Reg.: The Register LED will turn on and continuously working when DVG-N5412SP is connected to a VoIP 
service provider. The LED will flash if not connected to a service provider. 
WAN: When a connection is established the LED will light up solid. The LED will blink to indicate activity. If 
the LED does not light up when a cable is connected, verify the cable connections and make sure your 
devices are powered on. 
WLAN: A steady light indicates a wireless connection. A blinking light indicates that the VoIP Router is 
receiving/transmitting from/to the wireless network. 
LAN: When a connection is established the LED (bottom) will light up solid on the appropriate port. The 
LEDs will blink to indicate activity. If the LED does not light up when a cable is connected, verify the cable 
connections and make sure your devices are powered on. 
USB: This indicates that DVG-N5412SP detects a supported 3G modem dungle or a USB device. 
Phone: This LED displays the VoIP status and Hook/Ringing activity on the phone port that is used to 
connect your normal telephone(s). If a phone connected to a phone port is off the hook or in use, this LED 
will light solid. When a phone is ringing, the indicator will blink. 
Line: Light on means the line is in use (off-hook), and vice versa. 
WPS: Flashing in blue as DVG-N5412SP processing WPS-PBC wireless connecting progress.