Netcomm NTC-990 Manuale Utente

Pagina di 72
 
 
2.1 
Status Indicators 
 
There are a total of five LED's on the Cellular Router: three green, one amber and one red. The green LED 
next to the DC power jack is the DC Power Indicator. The other four LED’s are grouped on the opposite 
end of the router, next to the RF antenna connector. Listed below are the specifications of the LED’s and 
their corresponding colours. 
 
POWER (Green) 
The green Power LED indicates correct power is applied to the DC power input jack. 
 
DCD (Amber) 
The amber Carrier Detect LED illuminates to indicate a Data connection. 
 
Tx Rx (Red) 
The red LED will light upon data being sent to or received from the cellular network.  
 
Service Type (Green) 
The green LED will illuminate when cellular network coverage is detected.  
 
Solid on 
 
: indicates UMTS/HSDPA available coverage 
Flashing   : indicated EDGE available coverage 
Off  
 
: Indicates GSM/GPRS available coverage only. 
Revision 1.55 
 
NetComm Limited  
March 2009   
5