User's Guide
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HT81x User Guide 
Table 4: HT81X LEDs Pattern Description 
LED Lights 
Status 
Power LED 
The Power LED lights up when the HT81X are powered on and it flashes 
when the HT81X is booting up 
WAN LED 
The WAN LED lights up when the HT81X are connected to your network 
through the WAN port. 
LAN LED 
The LAN LED lights up when the HT81X are connected to your network 
through the LAN port. 
Phone LED 1&2 (HT812) 
Phone LED 1- 4 (HT814) 
Phone LED 1- 8 (HT818) 
The phone LEDs indicate status of the respective FXS port-phone on the 
back panel 
  OFF - Unregistered 
  ON (Solid Blue) - Registered andAvailable 
  Blinking every 500 ms - Off-Hook /Busy   
  Slow blinking - FXS LEDs indicates voicemail 










