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Symmetricom TimeProvider 2700 User Manual

Symmetricom TimeProvider 2700
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258 TimeProvider 2300/2700 User’s Guide 098-00564-000 Revision A3 – July, 2013
Chapter 5 Maintenance and Troubleshooting
Troubleshooting
Diagnosing the TP 2300/2700 Reading LED Conditions
Table 5-3 shows the function of the LED indicators on the front panel of the unit.
System in Holdover
Not tracking T1/E1 Input
(GNSS LED is OFF)
Loss of Signal (LOS) of
E1 Input
Check connection for T1/E1 input
Check T1/E1 input source
Alarm Indication Signal
(AIS)
Check T1/E1 input source
Out of Frame (OOF) Check T1/E1 input source
Signal amplitude level Check T1/E1 input source
Check cables
System stays in warm-up Warm-up still in progress Typical warm-up time is:
Quartz 6 minutes
Rubidium
9 minutes
Note: Warm-up times may vary based on
environmental conditions and other factors.
Table 5-3. LED Conditions
Indicator Label Description Corrective Action
Power
Indicator
POWER Green - Power available n/a
Off - Power not available Check power supply
See
Table 5-2 ,“No LED lit ” for
probable causes and more
corrective actions.
Table 5-2. Troubleshooting Symptoms
Symptom Probable Cause
Troubleshooting Procedure /
Corrective Action

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Symmetricom TimeProvider 2700 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeProvider 2700
CategoryNetwork Hardware
LanguageEnglish