Clock Module Reference Data
Stratum 3E Clock Module
130 SSU-2000 User’s Guide 12713020-002-2 Revision D – April 2004
Status LED Indicators
The status LED indicators on the Stratum 3E Clock module are illustrated in Figure
6-4 and listed and are described in Table 6-3.
Figure 6-4. Front Panel of the Stratum 3E Clock Module
Table 6-3. Stratum 3E Clock Module Status LED Indicators
Indicator Color Description
POWER Green On = The Clock module is receiving power
Off = No power present
STATUS Green/Amber On (Green) = No faults detected
On (Amber) blinking = Clock module is downloading firmware
On (Amber) = Unknown Clock module status or fault detected
SELECTED Green On = Module selected for providing outputs
Off = Module not selected
WARMUP Amber On = Clock module is in warm-up mode
Off = Clock module has completed warmup
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