Atlantis Land A01-IU1 Manuel D’Utilisation

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1.5 The Front Panel LEDs
  
 
 
LED 
MEANING 
USB 
When this LED is lit, it indicates that the 
USB port is connected to the PC and 
working properly. 
ISDN 
When lit it indicates that the ISDN S0 bus 
is activated.  It will flash when there is 
message transfer in the D channel. 
B1 
When lit it indicates that the ISDN B1 
channel is being accessed.  It will flash 
when there is data transfer in the B1. 
B2 
When lit it indicates that the ISDN B2 
channel is being accessed.  It will flash 
when there is data transfer in the B2. 
PC 
When this LED is lit, it indicates that there 
is at least one application program using 
the MISTRAL USB.