Hardware Description 19
2.6.2 LED Display
What the ON/ER LED Indicates
The module is assigned an ON/ER LED (see Fig. 2-2 on page 17).
What the SYNC LED Indicates
The module is assigned a SYNC LED (see Fig. 2-2 on page 17). The LED indi-
cates the synchronization function of the module (master or slave) and the
synchronization state.
What the TX LED Indicates
Each Ethernet port is assigned a TX LED (see Fig. 2-2 on page 17).
LED Display Operational State
ON/ER Red Module is currently booting or booting
was unsuccessful.
Red, flashing,
500 ms on/
500 ms off
Firmware update in progress
Green, flashing,
100 ms on/
900 ms off
Operational state: Standby
Green Operational state: On
Off No power supply
LED Display Operational State
SYNC Blue, flashing,
fully bright
The module is a synchronization master;
the module is not synchronized exter-
nally
Blue, flashing
lsemi and fully
bright alternately
The module is a synchronization slave;
the module is synchronized externally at
the HOST port
LED Display Operational State
TX Yellow Ethernet connection is activated
Yellow, flashing Ethernet data transfer
Off No Ethernet signal
Manual.book Seite 19 Montag, 13. Juli 2009 6:24 18
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