Orolia Spectracom EC20S User Manual

EPSILON CLOCK MODEL EC20S Spectracom
User’s Manual 38
- ‘Urgent Alarms’ which need an urgent intervention of the maintenance operator,
- ‘Non-Urgent Alarms’ which need a non urgent intervention of the maintenance operator,
According to the selected wiring for the alarm monitor, a relay can be closed or open when an 'Urgent
Alarm' or a 'Non-Urgent Alarm' is raised. Refer to the pin-out of the SUB-D connector.
11.2.1 URGENT ALARMS
‘Urgent Alarms’:
- Internal oscillator fault,
- Internal 1PPS fault,
- The ECS0S doesn’t meet the SFN conditions (see 10.2),
- A 1PPS output signals is in fault,
- A 10MHz output signal is in fault.
11.2.2 NON-URGENT ALARMS
‘Non-Urgent Alarms’:
- GNSS Module fault (see 13.3.2.2 GNSS Module Status),
- External 1PPS synchronization source fault,
- External NMEA datation source fault,
- A power supply source (AC or DC) is missing,
- A synchronization source (GNSS source, External 1PPS/NMEA source) is in fault,
- The EC20S is in ‘Holdover’ or ‘Forced Holdover’ mode (see 13.3.1 Tracking Status).
12. DISTRIBUTION INTERFACE
The EC20S distributes:
- 1PPS synchronization signals on the ‘Jn’ BNC connectors located on the rear panel,

Orolia Spectracom EC20S Specifications

General

Brand	Orolia
Model	Spectracom EC20S
Category	Clock
Language	English