EPSILON CLOCK MODEL EC20S Spectracom
User’s Manual 100
18. MAINTENANCE
18.1 PERIODIC VERIFICATIO N AND CALIBRATION
The EC20S operates and calibrates itself fully automatically. It does not require maintenance for a
period of 10 years.
18.2 UPDATING THE SOFTWARE VERSION
See corresponding web pages to perform EC20S upgrades.
18.3 SPARE PARTS
Fuses 5x20 1A - type TT 1A L 250V : Manufacturer recommended: LITTELFUSE,
manufacturer part number 213 Series, 5×20 mm, Time-Lag Fuse
DC connector kit : Manufacturer recommended: NEUTRIK, manufacturer part
number NC3FXY (female plug).
18.4 TROUBLESHOOTING
Some EC20S faults and anomalies can be diagnosed from:
- the visual signaling provided by the front panel LEDs (see 11.1),
- the ALARMS signaling provided by the alarm signals (see 11.2),
- status information available on the web interface (see 11),
- the events log available on the “Events Logging” web page (see 13.10),
- status information available from the SNMP interface (see 14).
- A “network overload” message can occur (meaning network load could impact the timing
sequences). This will appear only 5 minutes on the status web page and then it will be
acquitted and saved in the log file). I case of network issue, it indicates if NTP or NMEA
distribution may have been impacted.
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