3com DSA-3CV1001-02 Manuel D’Utilisation

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PPENDIX
 A: T
ROUBLESHOOTING
Using Front Panel 
LEDs to Solve 
Problems
This section describes the use of the LEDs to solve problems. 
displays the VCN AP LED indicators.
Figure 61   The VCN AP Unit Front View
 describes the LEDs.
Table 8   The VCN AP LEDs
LED
State
Indicates
Ethernet Green
VCN AP 
connected a PC.
Line
OFF
VCN AP
 is not connected to the line.
Green
VCN AP
 connected to the 
VCN AC.
Flashing 
Green
Data transmission to or from the 
VCN AC.
Power
OFF
VCN AP
 is not powered.
Orange
First 30 seconds after connection to the power 
main, power-on-self-test (POST) in progress.
After 30 seconds, POST failed.
Green
The 
VCN AP
 is functioning.
Fax-M odem
E TH E R N ET
Li
ne
Po
we
r
Ethernet 
LED
Power LED
Line LED