4 Front Connectors IMS-LNO
4.1 IMS-LNO - Status LEDs
Status display
LED St:
Status of the IMS-LNO
LED In:
Status of the backplane output signals
LED A:
Status of the LNO output signals (A)
LED B:
Status of the LNO output signals (B)
St In A
B
The status messages of the LED’s are as follows:
LED St:
Blue
During initialization
Green
During operation
LED In.
Green
10 MHz reference available, PLL is locked
Yellow
10 MHz reference available, PLL is not yet locked
Red
10 MHz reference not recognized or insufficient signal quality
LED A - Status output 1-2
1 sec red -> 1 sec yellow -> 1 sec green -> 1 sec off
Green
10 MHz signal available at both outputs
Red
No 10 MHz signal or short circuit at one of the two outputs
LED B - Status output 3-4
1 sec Red -> 1 sec Yellow -> 1 sec Green -> 1 sec Off
Green
10 MHz signal available at both outputs
Red
No 10 MHz signal or short circuit at one of the two outputs
The output cannot be active before the PLL is locked.
IMS-LNO
Date: October 24, 2022
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