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NTU-2V, NTU-RG Optical Network Terminals  21 
WAN Service: 
 
 
Optical interface:  
If a device supports measurement of optical signal parameters
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, the menu displays an additional table: 
  Link Status – optical link status; 
  Optical Signal Level – level of the received signal (1490 nm);  
  Transmit Optical Level – level of the transmitted signal (1310 nm);  
  Temperature – temperature of SFF module; 
  Vcc Voltage – supply voltage; 
  Bias Current – bias current. 
 
 
 
In order to clear the statistics and start gathering it from the beginning, click the Reset Statistic button. 
 
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 Optional