376 TimeProvider 5000 User’s Guide
098-00028-000 Revision F – May, 2012
Chapter 6 Maintenance and Troubleshooting
Troubleshooting
Diagnosing the IOC
Reading LED Conditions
shows the function of the LED indicators on the IOC.
System in Holdover
Not tracking E1 Input
(GPS LED is OFF)
Loss of Signal (LOS) of
E1 Input
Check connection for E1 input
Check E1 input source
Alarm Indication Signal
(AIS)
Check E1 input source
Out of Frame (OOF)
Check E1 input source
Signal amplitude level
Check E1 input source.
Check cables
System stays in warm-up
ToD source (GPS or E1)
invalid
Check Input source.
Check alarms with “show alarm-config”
command.
Warm-up still in progress
Typical warm-up time for the Active card
is:
Quartz 30
40 minutes
Rubidium
50
60 minutes
Standby IOC starts locking to Active IOC
after Active IOC enters normal track.
Allow an additional ~20 minutes for
Standby card to completes warm-up.
Table 6-3. LED Conditions for the IOC
Indicator
Label
Description
Corrective Action
Power
Module Power
Indicator
PWR
Green - Module power available
n/a
Off - Module power not available
Check power supply
,“No LED lit on
any module” for probable causes
and more corrective actions.
Table 6-2. Troubleshooting Symptoms
Symptom
Probable Cause
Troubleshooting Procedure /
Corrective Action
Содержание TimeProvider 5000
Страница 12: ...Table of Contents 12 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 ...
Страница 16: ...List of Figures 16 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 ...
Страница 20: ...List of Tables 20 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 ...
Страница 56: ...56 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 Chapter 1 Overview Alarms ...
Страница 270: ...270 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 Chapter 3 Simple Network Management Protocol SNMP ...
Страница 370: ...370 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 Chapter 5 Operating Managing PTP Clients ...
Страница 524: ...524 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 Appendix F PTP Probe Option Analyzing Probe Data ...
Страница 534: ...Index W W 534 TimeProvider 5000 User s Guide 098 00028 000 Revision F May 2012 ...