Selex ES SPA F567DHDE-HP Manuel D’Utilisation
SELEX Communications
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by SELEX Communications S.p.A. in writing
49
July 2010
• 2,048 MHz (G.703)
The choice of input clock signal is performed according to a configurable logic that normally assigns
higher priority to the GPS signal.
The module provides as its output the following clock signals to all the other modules of the RBS:
• RBS main reference clock (26 MHz)
• PPS main and / or spare
The front panel is provided with bi-color leds to help in troubleshooting the system. The table below
describes the meaning of the leds:
LED
Color
Label
Description
1
Green
slow
blink
slow
blink
Main PPS
Main GPS receiver available and 2d or 3d fix
Green
fast
blink
fast
blink
Main PPS
Main GPS receiver available but not in fix
Red
Main GPS fail
Main GPS receiver failure
2
Green
slow
blink
slow
blink
Spare PPS
Spare GPS receiver available and 2d or 3d fix
Green
fast
blink
blink
Spare PPS
Spare GPS receiver available but not in fix
Red
Spare GPS fail
Spare GPS receiver failure
3
Green
blink
blink
Status 1
External PPS Sync lock
Green
Status 1
Free Running OCXO …
Red
OCXO unlock
active OCXO unlock
Red
blink
blink
OCXO unlock
active OCXO failure
4
Green
Status 2
External sync is used as sync source
Red
EXT ref fail
External sync source enabled but missing
5
Green
Status 3
3400 Hz Audio tone from LIF is used as sync source
Red
Data bus fail
The multichannel data bus is out of frame sync
6
Green
Status 4
E1 link from DIF is used as sync source