2.2.3
Front Panel Layout and LED Description
Front panel layout
Five front panel LEDs
Front panel LEDs
functionality
3EC 17059 AAAA TCZZA Ed. 02
All
models have a similar front panel:
Figure 3
STPro front panel
The
is equipped with 5 LEDs on its front panel, indicating
the state of the device (See figure 3).
Indicator
Name
Color
LAN
Green
Line TX
Green
Line RX
Green
Line Sync
Green
PWR/Alarm
Green
Red
(*) Power On Self Test (POST)
Description
State
Flashing
Data is flowing from/to the
Ethernet port.
Off
No activity on the Ethernet
interface.
Flashing
ATM cells are being sent over the
ADSL line.
Off
No transmission activity.
Flashing
ATM cells are being received via
the ADSL line.
Off
No reception activity.
Flashing
During initialization of the ADSL
line.
On
ADSL line synchronization
achieved.
On
Power on, normal operation.
Flashing
Power on, POST(*) pending.
On
Power on, POST(*) failed.
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